Simple Definition of unfriendly
: not kind or helpful
: not showing kind or friendly feelings
: harmful or unpleasant
Examples of unfriendly in a sentence
They were very unfriendly to us.
<the unfriendly looks quickly warmed when we were recognized as long-unseen relatives>
First Known Use of unfriendly
UNFRIENDLY Defined for Kids
Seen and Heard
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