Flightlessness

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
The condition of being flightless. uncountable
2
The condition of being unable to fly, usually used with birds such as the penguin, ostrich, and emu. wordnet

Etymology

From flightless + -ness.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.