Impenetrable
adjective
Impossible to go through or get into.
The jungle was so dense, it seemed impenetrable.
adjective
Unable to be understood.
The professor's lecture was so complex, it was impenetrable for the students.
Usage tips
Academic
adjective
Unable to be affected or influenced.
His resolve was impenetrable; nothing could change his mind.
Usage tips
Approving
adjective
Not allowing light to pass through.
The curtains were impenetrable, keeping the room dark even during the day.
adjective
Impossible to go through or get into.
The jungle was so dense, it seemed impenetrable.
adjective
Unable to be understood.
The professor's lecture was so complex, it was impenetrable for the students.
Usage tips
Academic
adjective
Unable to be affected or influenced.
His resolve was impenetrable; nothing could change his mind.
Usage tips
Approving
adjective
Not allowing light to pass through.
The curtains were impenetrable, keeping the room dark even during the day.
Definition 1 of 4
Pro Tip 1/2Physical Barriers
Use 'impenetrable' to describe physical objects that can't be passed through.
The armored door was impenetrable to any attacks.
Pro Tip 2/2Exaggeration Effect
'Impenetrable' can hyperbolically emphasize difficulty even if something isn't literally impassable.
The crowd around the celebrity was impenetrable.
Pro Tip 1/2Physical Barriers
Use 'impenetrable' to describe physical objects that can't be passed through.
The armored door was impenetrable to any attacks.
Pro Tip 2/2Exaggeration Effect
'Impenetrable' can hyperbolically emphasize difficulty even if something isn't literally impassable.
The crowd around the celebrity was impenetrable.
Pro Tip 1/2Physical Barriers
Use 'impenetrable' to describe physical objects that can't be passed through.
The armored door was impenetrable to any attacks.
Pro Tip 2/2Exaggeration Effect
'Impenetrable' can hyperbolically emphasize difficulty even if something isn't literally impassable.
The crowd around the celebrity was impenetrable.
Compare with
imperviousimpregnableinaccessibleindestructibleinsurmountableinviolableobscureopaque
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Video examples
How Quantum Biology...
Quantum tunneling suggests that a particle can hit an impenetrable barrier, and yet somehow, as though by magic, disappear from one side and reappear on the other. The nicest way of explaining it is if you want to throw a ball over a wall, you have to give it enough energy to get over the top of the wall. In the quantum world, you don't have to throw it over the wall,
Video examples
Pink Boots and a Machete...
because it was just impenetrable forest even getting to that point and then well the logistics and all that and we finally had made it and we get here and I'm hanging by this road no again I've never been climbing before it's like geographic just thought it would be fun no they actually paid for climbing
Video examples
A Quest to Find Canada’s...
that I discovered their plan and the only thing they could really do after they discovered I'd foiled their plan was to go and get a drink at the bar so as I said it's is temperate rainforest this place so it's pretty much impenetrable to go walking
Video examples
The Unconquered:...
poison tipped arrows on the other side of the river and we are going up this river and high walls of what seems like impenetrable jungle on either side and and as we go deeper into this wild place we see not only are there so-called wild
Video examples
Safari Live - Day 360 PIPE...
the entrance to one of those burrows where I couldn't see him I mean that thicket was impenetrable and that that was where he was going to stay the whole night that I am deeply relieved to tell you that he's back out on the road and I
Video examples
Why should you read...
Some people find it impenetrable without a full book of annotations to help them understand what Joyce is even talking about. But there's a lot of joy to be found in reading it, more than just unpacking allusions and solving puzzles.
Video examples
The myth of Loki and the...
With only three days left until summer, the wall stood high and impenetrable, with only the gate left to be built. Horrified, the gods realized that not only would they lose their fertility goddess forever,
Video examples
Why the universe seems...
Why, then, do rocks look and feel solid and hard and impenetrable? As an evolutionary biologist, I'd say our brains have evolved to help us survive within the orders of magnitude, of size and speed
Video examples
Lack of data is an issue...
power even in the sometimes impenetrable halls of the UN machine and data has another power to a power to shine a light on an issue reveal the truth about people's lives even when words and
Video examples
The Cutest Elephant...
the adults encircle their yard it's an impenetrable wall of gray
Video examples
How Quantum Biology...
Quantum tunneling suggests that a particle can hit an impenetrable barrier, and yet somehow, as though by magic, disappear from one side and reappear on the other. The nicest way of explaining it is if you want to throw a ball over a wall, you have to give it enough energy to get over the top of the wall. In the quantum world, you don't have to throw it over the wall,
Video examples
Pink Boots and a Machete...
because it was just impenetrable forest even getting to that point and then well the logistics and all that and we finally had made it and we get here and I'm hanging by this road no again I've never been climbing before it's like geographic just thought it would be fun no they actually paid for climbing
Video examples
A Quest to Find Canada’s...
that I discovered their plan and the only thing they could really do after they discovered I'd foiled their plan was to go and get a drink at the bar so as I said it's is temperate rainforest this place so it's pretty much impenetrable to go walking
Video examples
The Unconquered:...
poison tipped arrows on the other side of the river and we are going up this river and high walls of what seems like impenetrable jungle on either side and and as we go deeper into this wild place we see not only are there so-called wild
Video examples
Safari Live - Day 360 PIPE...
the entrance to one of those burrows where I couldn't see him I mean that thicket was impenetrable and that that was where he was going to stay the whole night that I am deeply relieved to tell you that he's back out on the road and I
Video examples
Why should you read...
Some people find it impenetrable without a full book of annotations to help them understand what Joyce is even talking about. But there's a lot of joy to be found in reading it, more than just unpacking allusions and solving puzzles.
Video examples
The myth of Loki and the...
With only three days left until summer, the wall stood high and impenetrable, with only the gate left to be built. Horrified, the gods realized that not only would they lose their fertility goddess forever,
Video examples
Why the universe seems...
Why, then, do rocks look and feel solid and hard and impenetrable? As an evolutionary biologist, I'd say our brains have evolved to help us survive within the orders of magnitude, of size and speed
Video examples
Lack of data is an issue...
power even in the sometimes impenetrable halls of the UN machine and data has another power to a power to shine a light on an issue reveal the truth about people's lives even when words and
Video examples
The Cutest Elephant...
the adults encircle their yard it's an impenetrable wall of gray
Example 1 of 10
Quote examples
Pierre Teilhard de Chardin
French Philosopher
It seems to me that terrestrial beings, as they become more autonomous, psychologically richer, shut themselves up in a way against one another, and at the same time gradually become strangers to the cosmic environment and currents, impenetrable to one another, and incapable of exteriorizing themselves.
Quote examples
Isaac Newton
English Mathematician
God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties, and in such proportion to space, as most conduced to the end for which he formed them.
Quote examples
Georges Bataille
French Writer
Crime is a fact of the human species, a fact of that species alone, but it is above all the secret aspect, impenetrable and hidden. Crime hides, and by far the most terrifying things are those which elude us.
Quote examples
Coretta Scott King
American Activist
My story is a freedom song from within my soul. It is a guide to discovery, a vision of how even the worst pain and heartaches can be channeled into human monuments, impenetrable and everlasting.
Quote examples
Bill Watterson
American Cartoonist
The purpose of writing is to inflate weak ideas, obscure pure reasoning, and inhibit clarity. With a little practice, writing can be an intimidating and impenetrable fog!
Quote examples
Jenny Ryan
English Celebrity
The Vixen character is not quite me. A part of that is putting up this huge front of being strong, impenetrable, really tough and a little bit condescending.
Quote examples
Seal
English Musician
I always used to say to my wife, the thing that I loved most about us is that we are a team, we are impenetrable in that respect.
Quote examples
Joseph Barber Lightfoot
English Theologian
The future is hidden by a dark impenetrable veil, and yet we struggle to pierce through it.
Quote examples
Simon Callow
English Actor
Artists probably should have some impenetrable aspects of themselves.
Quote examples
Harrison Salisbury
American Journalist
Life within the Kremlin was shrouded in impenetrable secrecy.
Quote examples
Pierre Teilhard de Chardin
French Philosopher
It seems to me that terrestrial beings, as they become more autonomous, psychologically richer, shut themselves up in a way against one another, and at the same time gradually become strangers to the cosmic environment and currents, impenetrable to one another, and incapable of exteriorizing themselves.
Quote examples
Isaac Newton
English Mathematician
God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties, and in such proportion to space, as most conduced to the end for which he formed them.
Quote examples
Georges Bataille
French Writer
Crime is a fact of the human species, a fact of that species alone, but it is above all the secret aspect, impenetrable and hidden. Crime hides, and by far the most terrifying things are those which elude us.
Quote examples
Coretta Scott King
American Activist
My story is a freedom song from within my soul. It is a guide to discovery, a vision of how even the worst pain and heartaches can be channeled into human monuments, impenetrable and everlasting.
Quote examples
Bill Watterson
American Cartoonist
The purpose of writing is to inflate weak ideas, obscure pure reasoning, and inhibit clarity. With a little practice, writing can be an intimidating and impenetrable fog!
Quote examples
Jenny Ryan
English Celebrity
The Vixen character is not quite me. A part of that is putting up this huge front of being strong, impenetrable, really tough and a little bit condescending.
Quote examples
Seal
English Musician
I always used to say to my wife, the thing that I loved most about us is that we are a team, we are impenetrable in that respect.
Quote examples
Joseph Barber Lightfoot
English Theologian
The future is hidden by a dark impenetrable veil, and yet we struggle to pierce through it.
Quote examples
Simon Callow
English Actor
Artists probably should have some impenetrable aspects of themselves.
Quote examples
Harrison Salisbury
American Journalist
Life within the Kremlin was shrouded in impenetrable secrecy.
Example 1 of 10
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