頓とん的てき

と

ん

て

き

Meanings

1

thoughtlessness; thoughtless person

archaic

Archaic noun for thoughtlessness or a thoughtless person. Not used in modern Japanese; encountered only in historical texts.

古ふるい文ぶん献けんに「頓とん的てき」という語ごが見みられるが、現げん代だいでは全まったく使つかわれない。
The word 頓的 appears in old documents, but it is not used at all today.