A plaguey newfangled safety catch

Annoying;

adj : causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong"

Synonyms: annoy, irritate, bother, irk, vex, provoke, aggravate, peeve, rile
These verbs mean to disturb or trouble a person, evoking moderate anger. Annoy refers to mild disturbance caused by an act that tries one's patience: The sound of the printer annoyed me. Irritate is somewhat stronger: I was irritated by their constant interruptions. Bother implies imposition: In the end, his complaining just bothered the supervisor. Irk connotes a wearisome quality: The city council's inactivity irked the community. Vex applies to an act capable of arousing anger or perplexity: Hecklers in the crowd vexed the speaker. Provoke implies strong and often deliberate incitement to anger: His behavior provoked me to reprimand the whole team. Aggravate is a less formal equivalent: Threats only served to aggravate people in such cases (William Makepeace Thackeray). Peeve, also somewhat informal, suggests a querulous, resentful response to a mild disturbance: Your flippant answers peeved me. To rile is to upset and to stir up: It riled me to have to listen to such lies.