a ne'er-do-well, a good-for-nothing, a blackguard, a scoundrel, a rogue · a person with no fixed employment and who makes a living through crime: a thug, a vagabond, a bandit · a person who is beyond the pale and who does what they want: a libertine
köken: Compound of 成(な)らず (narazu, the classical negative form of 成る (naru, “to become”) with overtones of “not turning out correctly” or “unacceptable, not right”) + 者(もの) (-mono, “person”). First cited to a text from 1657.
disorderly person; troublemaker, hooligan; misbehaver · internet troll
çekim: çoğul häiriköt · tamlayan häirikön
köken: häiritä (“to disturb”) + -kkö; also analyzable as a back-formation from häiriköidä. Coined by Finnish marketeer Matti Viherjuuri in 1976 for an Alko promotional campaign (initiated by then administrative director of Alko Nestori Kaasalainen) that encouraged reasonable use of alcohol. The word was then popularized through the campaign, including by an Irwin Goodman song commissioned for it and…
harmful, injurious, detrimental (to someone or something: -ra/-re)
çekim: karşılaştırma ártalmasabb · üstünlük legártalmasabb
köken: Perhaps from ártalom (“injury, harm”) + -as (adjective-forming suffix), but this is unclear since ártalmas was first attested in 1525 and ártalom in 1583. Ultimately, both words are from the verb árt (“to harm, hurt, injure”).