triggering
🇺🇸
/ˈtrɪɡərɪŋ/
🇬🇧
/ˈtrɪɡərɪŋ/
making someone feel very upset or anxious by reminding them of a bad experience
The loud noise was triggering for her because it reminded her of a past accident.
causing something to start or to become active
The smoke alarm is triggered by smoke, causing it to sound an alarm.
the act of causing something to start or to become active
The triggering of the alarm was immediate upon detecting smoke.