Not know any better
phrase
To be unaware or naive about the proper way to behave in a particular situation.
He is just a boy. He didn't mean to break that, he simply didn't know any better.

Often appears as...
- he didn't know any better
- she didn't know any better
phrase
To be inexperienced or uneducated about something.
He made a foolish investment, but it wasn't his fault — he just didn't know any better.

Often appears as...
- didn't know any better
- didn't know any better than to
phrase
To be unaware or naive about the proper way to behave in a particular situation.
He is just a boy. He didn't mean to break that, he simply didn't know any better.

Often appears as...
- he didn't know any better
- she didn't know any better
phrase
To be inexperienced or uneducated about something.
He made a foolish investment, but it wasn't his fault — he just didn't know any better.

Often appears as...
- didn't know any better
- didn't know any better than to
Definition 1 of 2

Context Clues
Look for context clues that indicate innocence or unfamiliarity with norms.

She walked into the men's room by mistake; she didn't know any better.
Age Implications
Often used for children or young people who are still learning social rules.

The toddler grabbed the dog's tail—he doesn't know any better.
Not Ignorance
It implies a lack of knowledge, not the unwillingness to learn or understand.

He interrupted the meeting, not knowing any better about the protocol.
Context Clues
Look for context clues that indicate innocence or unfamiliarity with norms.

She walked into the men's room by mistake; she didn't know any better.
Age Implications
Often used for children or young people who are still learning social rules.

The toddler grabbed the dog's tail—he doesn't know any better.
Not Ignorance
It implies a lack of knowledge, not the unwillingness to learn or understand.

He interrupted the meeting, not knowing any better about the protocol.
Context Clues
Look for context clues that indicate innocence or unfamiliarity with norms.

She walked into the men's room by mistake; she didn't know any better.
Age Implications
Often used for children or young people who are still learning social rules.

The toddler grabbed the dog's tail—he doesn't know any better.
Not Ignorance
It implies a lack of knowledge, not the unwillingness to learn or understand.

He interrupted the meeting, not knowing any better about the protocol.
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