Search Dictionary
Definition of underpart
underpart
/ˈʌndərpɑːrt/
un · der · part
Plural:underparts
underpart Lexical Profile
CEFR
C1
Grade
9
Tier
2
Usage
Rare
Syllables
3
underpart Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The lower surface or ventral side of the body of an animal, especially a bird, fish, or small mammal (usually used in the plural).
Example
"The warbler is easily identified by its olive-green back and bright yellow underparts."
2
A lower, underlying, or supporting section of an object, structure, or garment.
Example
"The mechanic inspected the rusted underpart of the chassis for structural damage."
3
A minor or subordinate role in a theatrical production.
Example
"Before landing a leading role, the young actor spent two seasons playing underparts in the repertory company."
Synonyms
View all synonyms for underpart Antonyms
View all antonyms for underpart• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Underpart. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/underpart