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infra-
word-forming element meaning "below, beneath," from Latin infra (adverb and preposition) "below, underneath, on the under side, beneath," also "later than; smaller than; inferior to," related to infernus "low, below," from PIE *ndher "under" (source also of Sanskrit adnah "below," Old English under "under, among;" see under). Modern popular use of it dates from the 1920s, as an opposite to super-, often in science fiction. "This use of infra- is scarcely a Latin one" [OED].
updated on November 23, 2015
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Dictionary entries near infra-
informative
informed
informer
infortunate
infotainment
infra-
infra
infra dig.
infraction
infralapsarian
infra-red