頓着

とんちゃく とんじゃく

being concerned about or mindful of

無頓着

むとんちゃく むとんじゃく

indifferent, unconcerned, careless

頓

sudden; abrupt; unexpected

頓挫

とんざ

setback, at a standstill or impasse

頓服

とんぷく

dose of medicine to be taken only once

頓と

とんと

completely

整頓

せいとん

orderliness, put in order, tidying up, arranging neatly

頓死

とんし

sudden death

頓才

とんさい

wit

頓悟

とんご

sudden enlightenment

頓知

とんち

quick wit, ready wit

頓首

とんしゅ とんじゅ

Respectfully yours

停頓

ていとん

deadlock, standstill, stalemate, set-back, abeyance

頓馬

とんま

idiot, fool, dope

頓に

とみに

suddenly, all at once, rapidly

頓的

とんてき

thoughtlessness, thoughtless person

頓狂

とんきょう

wild, in disarray

頓用

とんよう

single use; single dose; one-off use

頓服薬

とんぷくやく

dose of medicine to be taken only once