Definition of no wonder
- (It's) No wonder you're hungry; you didn't have any breakfast.
: a cause of astonishment or admiration : marvel
: the quality of exciting amazed admiration
: to be in a state of wonder
: to feel surprise
: to feel curiosity or doubt
: wondrous, wonderful: such as
: exciting amazement or admiration
: effective or efficient far beyond anything previously known or anticipated
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