Precipitant
An event or circumstance that triggers or brings about a particular condition, especially suddenly or unexpectedly.
A factor, event, or circumstance that directly causes or triggers the onset of a condition, illness, or significant change. In medical and psychological contexts, it refers to the immediate cause that initiates a process or crisis, distinguishing it from underlying predisposing factors that make someone vulnerable.
What this means in real life
A teenager's anxiety disorder may worsen after a social embarrassment at school—that embarrassing moment is the precipitant that triggered the acute anxiety spike.
What it isn’t
A precipitant is not the underlying condition itself, but rather the specific trigger that sets it off. Someone with depression may have a genetic vulnerability, but a job loss is the precipitant that causes symptoms to emerge.
Commonly misused online
People often use 'precipitant' and 'cause' interchangeably, but a precipitant is the immediate trigger, not necessarily the root reason—a stressful event may precipitate a mental health crisis in someone with latent vulnerability.