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Meaning of “trigger” in the English Dictionary

"trigger" in British English

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triggernoun

uk   /ˈtrɪɡ.ər/  us   /ˈtrɪɡ.ɚ/

triggerverb [T]

uk   /ˈtrɪɡ.ər/  us   /ˈtrɪɡ.ɚ/
C1 to ​cause something ​bad to ​start: Some ​peoplefind that ​certainfoods trigger ​theirheadaches. The ​racialkillings at the ​weekend have triggered off a ​wave of ​protests.

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(Definition of trigger from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"trigger" in American English

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triggernoun [C]

 us   /ˈtrɪɡ·ər/
  • trigger noun [C] (GUN PART)

a ​part of a ​gun that ​causes the ​gun to ​fire when ​pressed: to ​pull the trigger

triggerverb [T]

 us   /ˈtrɪɡ·ər/
  • trigger verb [T] (START)

to ​cause something to ​start: I triggered the ​smokealarm when I ​burned the ​potatoes. Eating ​chocolate can trigger a ​migraineheadache in some ​people.
(Definition of trigger from the Cambridge Academic Content Dictionary © Cambridge University Press)

"trigger" in Business English

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triggernoun [C, usually singular]

uk   us   /ˈtrɪɡər/
an ​event, ​situation, etc. that causes the ​start of something, especially something ​bad: trigger for sth Inflation has been the trigger for nearly all post-war ​recessions.

triggerverb [T]

uk   us   /ˈtrɪɡər/
to cause something to ​happen, especially something ​bad: Central ​banks must ​raiseinterestrates without triggering a ​financialcrisis for ​households with ​excessivedebts.be triggered by sth The ​sell-off was triggered by a ​profitswarning.
to make a ​piece of ​equipment, etc. ​startworking: Any attempt to jack the ​car off the ​ground triggers the alarm ​automatically.
(Definition of trigger from the Cambridge Business English Dictionary © Cambridge University Press)
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“trigger” in British English

“trigger” in American English

“trigger” in Business English

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There, their and they’re – which one should you use?
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