[ ig-nahyt ]
/ ɪgˈnaɪt /

verb (used with object), ig·nit·ed, ig·nit·ing.

to set on fire; kindle.
Chemistry. to heat intensely; roast.

verb (used without object), ig·nit·ed, ig·nit·ing.

to take fire; begin to burn.

Nearby words

  1. ignescent,
  2. ignimbrite,
  3. ignipuncture,
  4. ignis fatuus,
  5. ignitable,
  6. igniter,
  7. ignition,
  8. ignition coil,
  9. ignition interlock,
  10. ignition key

Origin of ignite

1660–70; < Latin ignītus (past participle of ignīre to set on fire, ignite), equivalent to ign(is) fire + -ītus -ite2

1. See kindle1.

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for reignite

British Dictionary definitions for reignite


/ (ˌriːɪɡˈnaɪt) /


to catch fire or cause to catch fire againthe burners reignited
to flare up or cause to flare up againto reignite the war


/ (ɪɡˈnaɪt) /


to catch fire or set fire to; burn or cause to burn
(tr) chem to heat strongly
(tr) to stimulate or provokethe case has ignited a nationwide debate
Derived Formsignitable or ignitible, adjectiveignitability or ignitibility, noun

Word Origin for ignite

C17: from Latin ignīre to set alight, from ignis fire

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 reignite



1660s, from Latin ignitus, past participle of ignire "set on fire," from ignis "fire" (see igneous). Attested earlier as an adjective (1550s). Related: Ignited; igniting.

Online Etymology Dictionary, © 2010 Douglas Harper