flightless

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈflaɪtləs/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈflaɪtlɪs/ ,USA pronunciation: respelling(flīt′lis)


WordReference Random House Learner's Dictionary of American English © 2026
flight•less /ˈflaɪtlɪs/USA pronunciation   adj. 
  1. incapable of flying:Penguins are flightless birds.

WordReference Random House Unabridged Dictionary of American English © 2026
flight•less  (flīt′lis),USA pronunciation adj. 
  1. incapable of flying:flightless birds such as the moa, rhea, and dodo.
  • flight1 + -less 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
flightless / ˈflaɪtlɪs/
  1. (of certain birds and insects) unable to fly
    See also ratite
'flightless' also found in these entries (note: many are not synonyms or translations):
Mormon cricket - cassowary - degenerate - dodo - elephant bird - emu - great auk - kakapo - kiwi - moa - notornis - ostrich - penguin - ratite - rhea - solitaire - struthious - takahe - weka - wing

Forum discussions with the word(s) "flightless" in the title:


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