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Definition of undersurface
undersurface
/ˈʌn.dɚˌsɝː.fɪs/
un · der · sur · face
Plural:undersurfaces
undersurface Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
4
undersurface Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The lower or bottom side or surface of an object, anatomical structure, or organism.
Example
"The caterpillars feed primarily on the pale undersurface of the oak leaves."
Synonyms
View all synonyms for undersurface Antonyms
View all antonyms for undersurface• adjective
1
Located, occurring, or operating beneath a surface, especially below the surface of the earth or water.
Example
"Engineers used specialized radar to map the undersurface rock formations before drilling."
Synonyms
View all synonyms for undersurface Antonyms
View all antonyms for undersurface• 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 Undersurface. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/undersurface