Without feathers; lacking feathers or plumage.
Adjective formed from 'feather' by adding the suffix '-less,' which means 'without' or 'lacking.' This formation is standard throughout English.
Plato famously called humans 'featherless bipeds'—a technical-sounding definition meant to be funny. The term 'featherless' reminds us how clever ancient philosophers were at using language to make jokes.
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