flightless

/ˈflaɪtləs/
adjective
  1. Unable to fly (used especially of birds and other animals).
    • Ostriches are flightless birds that rely on their strong legs to escape predators.
    • The kiwi is a small, flightless bird native to New Zealand.
    • Many flightless insects have evolved other ways to move, such as jumping or crawling.
Synonyms
What does "flightless" mean? | whatsthatwordmean | whatsthatwordmean