na-adjective, noun
petty; trifling; insignificant
Describes something as small-minded, trivial, or beneath consideration. Often used for actions, motives, or concerns that lack importance or dignity.
そんな卑小なことで争うのはやめよう。
Let's stop arguing over such a petty matter.
彼の卑小な態度に失望した。
I was disappointed by his petty attitude.
Compound of 卑 (base, lowly) and 小 (small). The exact historical derivation is uncertain, but the combination conveys the sense of something being both small and contemptible.