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 of callowMiddle 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
Origin of callowMiddle English calwe, bald, from Old English calu.
(comparative callower or more callow, superlative callowest or most callow)
(countable and uncountable, plural callows)
- A callow young bird.
- A callow or teneral phase of an insect or other arthropod, typically shortly after ecdysis, while the skin still is hardening, the colours have not yet become stable, and as a rule, before the animal is able to move effectively.
From Middle English calwe (“bald”), from Old English calu (“callow, bare, bald”), from Proto-Germanic *kalwaz (“bare, naked, bald”), from Proto-Indo-European *gAlw- (“naked, bald”). Cognate with West Frisian keal (“bald”), Dutch kaal (“bald”), German kahl (“bald”), Russian голый (gólyj, “nude”).