- The definition of callow is someone or something immature.
A forty year old man with the maturity level of a fifteen year old is an example of callow.
- still lacking the feathers needed for flying; unfledged
- young and inexperienced; immature
Origin: Middle English calwe ; from Old English calu, bare, bald ; from Indo-European base an unverified form gal-, bald, naked from source Classical Latin calvus, bald, Czech holý, naked, German kahl, bald
- callowness noun
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Origin: Middle English calwe, bald, from Old English calu.
- calˈlow·ness noun