fickle nature; flighty temperament; inconstant person
Describes a person who gets bored easily and doesn't stick with things. Can refer to the trait itself or a person with that trait.
彼は飽き性だから、趣味が長続きしない。
He has a fickle nature, so his hobbies never last long.
I'm an inconstant person and not good at sticking with the same job.
飽き性 is a noun for the trait of quickly losing interest in things, while 三日坊主 specifically labels a person who abandons something they just started.
凝り性 describes someone who gets deeply absorbed and sticks with things, while 飽き性 describes someone who quickly loses interest and gives up.
Standard kanji spelling.
Rarely used kanji form; 厭 is a less common character for あきる.
Compound of 飽き (stem of 飽きる 'to get tired of') and 性 ('nature, disposition').