the act or an instance of killing oneself intentionally the self-inflicted ruin of one's own prospects or interests: a merger would be financial suicide a person who kills himself or herself intentionally - (modifier)
reckless; extremely dangerous: a suicide mission - (modifier)
(of an action) undertaken or (of a person) undertaking an action in the knowledge that it will result in the death of the person performing it in order that maximum damage may be inflicted on an enemy: a suicide attack, suicide bomber
WordReference Random House Learner's Dictionary of American English © 2025
su•i•cide /ˈsuəˌsaɪd/USA pronunciation
n.
WordReference Random House Unabridged Dictionary of American English © 2025- the intentional taking of one's own life: [uncountable]to commit suicide.[countable]The number of suicides increases in the winter.
- destruction of one's own interests or chances:[uncountable]financial suicide.
- [countable] one who intentionally takes his or her own life.
su•i•cide
(so̅o̅′ə sīd′),USA pronunciation n., v., -cid•ed, -cid•ing.
n.
v.i.
v.t.
n.
- the intentional taking of one's own life.
- destruction of one's own interests or prospects:Buying that house was financial suicide.
- a person who intentionally takes his or her own life.
v.i.
- to commit suicide.
v.t.
- to kill (oneself ).
- Neo-Latin suīcīdium, -cīda, equivalent. to Latin suī of oneself, genitive singular of reflexive pronunciation, pronounced + -cīdium, -cīda -cide
- 1645–55
Collins Concise English Dictionary © HarperCollins Publishers::
'mass suicide' also found in these entries (note: many are not synonyms or translations):