Birdness

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The quality of being a bird. uncountable

    "When we reason about an arbitrary bird, we may conclude that it flies, but we do not alter our concept of birdness to include flight in order to make that conclusion, as the above account implies."

Example

More examples

"When we reason about an arbitrary bird, we may conclude that it flies, but we do not alter our concept of birdness to include flight in order to make that conclusion, as the above account implies."

Etymology

From bird + -ness.

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