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Definitions

ignition

[ig-nish-uhn] / ɪgˈnɪʃ ən /
NOUN
combustion
Synonyms
STRONG
agitation disturbance flaming kindling oxidization tumult turmoil
WEAK
candescence thermogenesis
Antonyms
STRONG
calm order peace
NOUN
detonation
Synonyms
STRONG
bang blast blowout boom discharge
WEAK
blow-up
NOUN
electricity
Synonyms
STRONGEST
heat service
STRONG
AC DC current electron galvanism juice light spark tension utilities voltage
WEAK
electromagneticism hot stuff magneticism
NOUN
explosion
Synonyms
STRONGEST
blast burst detonation firing outbreak outburst
STRONG
access backfire bang blowout blowup clap combustion concussion crack fit flare-up fulmination gust paroxysm percussion pop report roar salvo
Antonyms
WEAK
implosion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The engines enable faster missile launches as they require little preparation before ignition.

From Barron's • Mar. 29, 2026

Police are treating the fire as deliberate ignition at this time.

From BBC • Jan. 24, 2026

In fire-engineering terms, many nightclubs contain the fuel load of an entire residential condominium, the ignition sources of an industrial site, and the evacuation constraints of a submarine.

From The Wall Street Journal • Jan. 4, 2026

These experimental results offer new physical insight into how the long-standing density barrier in tokamak operation might be broken in the pursuit of fusion ignition.

From Science Daily • Jan. 4, 2026

Petey’s moped leaned up against the building, key in the ignition.

From "Bone Gap" by Laura Ruby