Lord knows…
phrase
It is unknown except possibly to an all-knowing being like God.
As to why he did it, Lord knows.

Often appears as...
- lord knows why
- lord knows how
Usage tips
Idiomatic
phrase
Showing that you are aware of something, but you are at a total loss to understand why it's happening.
Why she puts up with him, Lord knows.

Often appears as...
- lord knows why
- only the lord knows
Usage tips
Colloquial
phrase
Used to indicate that the outcome or result is not known or cannot be predicted.
Lord knows what will happen next.

Often appears as...
- lord knows what
- lord knows how
Usage tips
Idiomatic
phrase
It is unknown except possibly to an all-knowing being like God.
As to why he did it, Lord knows.

Often appears as...
- lord knows why
- lord knows how
Usage tips
Idiomatic
phrase
Showing that you are aware of something, but you are at a total loss to understand why it's happening.
Why she puts up with him, Lord knows.

Often appears as...
- lord knows why
- only the lord knows
Usage tips
Colloquial
phrase
Used to indicate that the outcome or result is not known or cannot be predicted.
Lord knows what will happen next.

Often appears as...
- lord knows what
- lord knows how
Usage tips
Idiomatic
Definition 1 of 3

Expressing Uncertainty
Used when you don't know the answer and feel it is impossible to find out.

How long this will take, Lord knows.
Emphasize Mystery
Highlights that the reason or cause is a mystery to everyone.

Lord knows why the lights went out just in our house.
Substitute for Knowledge
Suggests that only a higher power or God could understand or know the answer.

How she remembers all those facts, Lord knows.
Expressing Uncertainty
Used when you don't know the answer and feel it is impossible to find out.

How long this will take, Lord knows.
Emphasize Mystery
Highlights that the reason or cause is a mystery to everyone.

Lord knows why the lights went out just in our house.
Substitute for Knowledge
Suggests that only a higher power or God could understand or know the answer.

How she remembers all those facts, Lord knows.
Expressing Uncertainty
Used when you don't know the answer and feel it is impossible to find out.

How long this will take, Lord knows.
Emphasize Mystery
Highlights that the reason or cause is a mystery to everyone.

Lord knows why the lights went out just in our house.
Substitute for Knowledge
Suggests that only a higher power or God could understand or know the answer.

How she remembers all those facts, Lord knows.
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