Dictionary.com
definitions
  • synonyms

infra

[in-fruh]
See more synonyms on Thesaurus.com
adverb
  1. below, especially when used in referring to parts of a text.
Show More
Compare supra.

Origin of infra

1730–40; < Latin infrā; cf. under

infra-

  1. a prefix meaning “below,” used, with second elements of any origin, in the formation of compound words: infrasonic; infrared.
Show More

Origin of infra-

< Latin, representing infrā, adv. or preposition

ut infra

[oo t in-frah; English uht in-fruh]
Latin.
  1. as (stated or shown) below: used in a book, text, etc.
Show More

vide infra

[wee-de in-frah; English vahy-dee in-fruh, vee-]
Latin.
  1. see below (used especially to refer a reader to parts of a text).
Show More
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for infra

Historical Examples


British Dictionary definitions for infra

infra

adverb
  1. (esp in textual annotation) below; further on
Show More

infra-

prefix
  1. below; beneath; afterinfrasonic; infralapsarian
Show More

Word Origin

from Latin infrā

ut infra

  1. as below
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for infra

adv.

"under, below, further on," from Latin infra (see infra-).

Show More

infra-

word-forming element from Latin infra (adv., prep.) "below, underneath, beneath; later than, smaller, inferior to," from PIE *ndher "under" (cf. Sanskrit adnah "below," Old English under "under, among;" see under). Opposed to super-. Its use as a prefix was rare in Latin.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

infra in Medicine

infra-

pref.
  1. Inferior to, below, or beneath:infrasonic.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.