ärritaja
ärritaja is a Finnish term used to describe an entity that causes irritation or annoyance. The word is formed from the verb ärsyttää ('to irritate') and the agentive suffix -taja, producing roughly 'one who irritates' or 'an irritant.' In standard usage, more common cognates are ärsyttäjä (irritator) and ärsyttävä tekijä (annoying factor).
Usage and context: ärritaja is mostly informal or dialectal and is not widely listed in formal dictionaries.
Relationship to related terms: ärritaja is distinct from ärsyte (irritation) and ärsytys (irritation or nuisance) and