wingless

Having no wings or only rudimentary wings.

Having no wings; hence, unable to fly; technically, in zoology, apterous; not alate; not winged, in any sense.

In ornithology, specifically, having rudimentary wings, unfit for flight.; impennate or squami-pennate, as any ratite bird or penguin: as, the wingless kiwis (Apterygidæ).

Having no wings; not able to ascend or fly.

the apteryx.

Having no, or only rudimentary, wings.

lacking wings