1. European-based U.S. nuclear weapons that were capable of striking the Soviet Union and Soviet ones that could hit Western Europe (usually used attributively): INF missiles; the 1987 INF Treaty.

Origin of INF

I(ntermediate-range) N(uclear) F(orces)


Origin of Inf.

(def 2) < Latin infunde

ad inf.

or ad infin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for inf

Contemporary Examples of inf

Historical Examples of inf

British Dictionary definitions for inf


abbreviation for
  1. infinitive
  2. informal
  3. infra

Word Origin for inf

Latin: below; after; later


abbreviation for
  1. intermediate-range nuclear forces: land-based missiles and aircraft with a range between 500 and 5000 km
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