noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   A lower or underneath part.
2. 2
   a part lying on the lower side or underneath an animal's body wordnet
3. 3
   A lower or underneath part.; Such a part of a bird. plural, usually

   "buffy underparts"

Verb

1. 1
   To divide (a part) and assign subordinate portions of it. transitive

Antonyms

All antonyms

overpartupperpart

Example

More examples

"This bird species has tan underparts. Try to catch a glimpse when the bird takes off."

Etymology

From under- + part.

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