[ uh-blit-uh-reyt ]
/ əˈblɪt əˌreɪt /

verb (used with object), ob·lit·er·at·ed, ob·lit·er·at·ing.

to remove or destroy all traces of; do away with; destroy completely.
to blot out or render undecipherable (writing, marks, etc.); efface.

Origin of obliterate

1590–1600; < Latin oblitterātus (past participle of oblitterāre, efface, cause to be forgotten), equivalent to ob- ob- + litter(a) letter1 + -ātus -ate1


ob·lit·er·a·ble [uh-blit-er-uh-buhl] /əˈblɪt ər ə bəl/, adjectiveo·blit·er·a·tor, nounhalf-ob·lit·er·at·ed, adjectiveun·ob·lit·er·at·ed, adjective

synonym study for obliterate

2. See cancel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for obliterate

British Dictionary definitions for obliterate

/ (əˈblɪtəˌreɪt) /


(tr) to destroy every trace of; wipe out completely

Derived forms of obliterate

obliteration, nounobliterative, adjectiveobliterator, noun

Word Origin for obliterate

C16: from Latin oblitterāre to erase, from ob- out + littera letter
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

Medical definitions for obliterate

[ ə-blĭtə-rāt′, ō-blĭt- ]


To remove an organ or another body part completely, as by surgery, disease, or radiation.
To blot out, especially through filling of a natural space by fibrosis or inflammation.

Other words from obliterate

o•blit′er•ation n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.