[ dis-mis ]
/ dɪsˈmɪs /

verb (used with object)

Origin of dismiss

1400–50; late Middle English < Medieval Latin dismissus (for Latin dīmissus, past participle of dīmittere to send away), equivalent to Latin dis- dis-1 + mitt(ere) to send + -tus past participle suffix
Related formsdis·miss·i·ble, adjectivepre·dis·miss, verb (used with object)re·dis·miss, verb (used with object)un·dis·missed, adjective

Synonym study

2. See release.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dismiss

British Dictionary definitions for dismiss


/ (dɪsˈmɪs) /

verb (tr)

sentence substitute

military an order to end an activity or give permission to disperse
Derived Formsdismissible, adjectivedismissive, adjective

Word Origin for dismiss

C15: from Medieval Latin dismissus sent away, variant of Latin dīmissus, from dīmittere, from dī- dis- 1 + mittere to send
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 dismiss



early 15c., from Latin dimissus, past participle of dimittere "send away, send different ways; break up, discharge; renounce, abandon," from dis- "apart, away" (see dis-) + mittere "send, let go" (see mission). Prefix altered by analogy with many dis- verbs. Dismit, in the same sense, is attested from late 14c. Related: Dismissed; dismissing.

Online Etymology Dictionary, © 2010 Douglas Harper