under-

prefix

Beneath, under

“e.g. underapply, underbill, underawe”

Similar
hypo-sub-infra-en-olig-meio-dys-mal-
Opposite
over-epi-sur-hyper-supra-
OriginMiddle English under- ← Old English under- ← Proto-West Germanic *undar →
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Meanings

prefix
  1. Beneath, under

    e.g. underground, underneath, underpass

    Synonyms: hypo-, sub-, infra-

  2. figurativelyTo go from one side to the other; to progress along a path

    e.g. understand, undergo, underbear, undertake

  3. Less than, beneath in quantity

    e.g. underadditive, underage, underbound

    Synonyms: en-, hypo-, olig-, meio-

  4. Deficient, below what is correct, insufficient

    e.g. underapply, underbill, underawe

    Synonyms: hypo-, dys-, mal-

  5. Subordinate to

    e.g. undersecretary, underling, underclass

    Synonyms: vice-, sub-

Synonyms & antonyms

prefixBeneath, under

Similar
hypo-sub-infra-

prefixLess than, beneath in quantity

Similar
en-hypo-olig-meio-

prefixDeficient, below what is correct, insufficient

Similar
hypo-dys-mal-

prefixSubordinate to

Similar
vice-sub-

antonym(s) of “under”

Opposite
over-epi-sur-

antonym(s) of “less than”

Opposite
hyper-supra-pleo-

antonym(s) of “deficient”

Opposite
telo-per-pur-

antonym(s) of “subordinate”

Opposite
arch-
Also see
dys-hypo-mal-sub-

Origin

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁entér
  3. Proto-Indo-European*h₂én
  4. Proto-Indo-European*dʰeh₁-?
  5. Proto-Indo-European*(H)n̥dʰí
  6. Proto-Indo-European*(H)n̥dʰér
  7. Proto-Germanic*under
  8. Proto-West Germanic*undar
  9. Old Englishunder-
  10. Middle Englishunder-
  11. Englishunder-

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.

More words from Middle English, Old English, Proto-West Germanic

Full word history & related roots →

Translations

Danish under-
  • under-under (in any sense): insufficient, insufficiently
Dutch onder
  • onderunder (in any sense): insufficient, insufficiently
French sous-
  • sous-under (in any sense): insufficient, insufficiently
German unter-
  • unter-under (in any sense): insufficient, insufficiently
Greek υπο-
  • υπο- (ypo-)under (in any sense): insufficient, insufficiently
Norwegian Bokmål under-
  • under-under (in any sense): insufficient, insufficiently
Polish pod-, niedo-
  • pod-under (in any sense): insufficient, insufficiently
  • niedo-under (in any sense): insufficient, insufficiently
Portuguese sub-
  • sub-under (in any sense): insufficient, insufficiently
Russian под-, недо-
  • под- (pod-)under (in any sense): insufficient, insufficiently
  • недо- (nedo-)under (in any sense): insufficient, insufficiently
Spanish sub-, infra-
  • sub-under (in any sense): insufficient, insufficiently
  • infra-under (in any sense): insufficient, insufficiently
  • so-under (in any sense): insufficient, insufficiently
  • sota-under (in any sense): insufficient, insufficiently
  • soto-under (in any sense): insufficient, insufficiently
Ukrainian під-, недо-
  • під- (pid-)under (in any sense): insufficient, insufficiently
  • недо- (nedo-)under (in any sense): insufficient, insufficiently
Cite this entry
APA

under-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/under-

MLA

“under-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/under-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “under-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/under-.

Source: under- on Wiktionary, CC BY-SA 4.0.