under-

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under-

Where it comes from

From Middle English under-, from Old English under-, from Proto-West Germanic *undar, from Proto-Germanic *under, from Proto-Indo-European *(H)n̥dʰér (“below”) and *h₁n̥tér (“inside”). For more, see under.

prefix

morpheme Beneath, under e.g. underground, underneath, underpass
Similar: hypo-, sub-, infra-
figuratively, morpheme To go from one side to the other; to progress along a path e.g. understand, undergo, underbear, undertake
morpheme Less than, beneath in quantity e.g. underadditive, underage, underbound
Similar: en-, hypo-, olig-, meio-
morpheme Deficient, below what is correct, insufficient e.g. underapply, underbill, underawe
Similar: hypo-, dys-, mal-
morpheme Subordinate to e.g. undersecretary, underling, underclass
Similar: vice-, sub-

Opposite: over-, epi-, sur-, hyper-, supra-, pleo-, telo-, per-, pur-, arch-

Thesaurus

prefix

Opposite: over-, epi-, sur-, hyper-, supra-, pleo-, telo-, per-, pur-, arch-

Translations

Every language

prefix under (in any sense): insufficient, insufficiently

Español	sub-, infra-, so-, sota-, soto-
Português	sub-
Français	sous-
Deutsch	unter-
Ελληνικά	υπο- ypo-
Русский	под- pod-, недо- nedo-

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Cite this

MLA

"under-." Wiktionary, via Micwyn, micwyn.com/word/under-. Accessed 6 Nov. 2026.

APA

under-. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/under-

Chicago

"under-." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/under-.

BibTeX

@misc{under_2026,
  title = {under-},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/under-},
  urldate = {2026-11-06}
}