反はん射しゃ的てき

は

ん

しゃ

て

き

Meanings

1

Describes an action or reaction that is automatic, unthinking, or done by reflex, often with a physical or psychological nuance.

てき

に

手て

を

引ひ

っ

込こ

め

た

。

He pulled his hand back reflexively.

その質しつ問もんに反はん射しゃ的てきに「はい」と答こたえてしまった。

I reflexively answered 'yes' to that question.

反はん射しゃ的てきな反はん応のうa reflex/automatic reaction
大おおきな音おとに驚おどろいて、反はん射しゃ的てきな反はん応のうで目めを閉とじた。
Startled by the loud noise, I closed my eyes in a reflexive reaction.
反はん射しゃ的てきに〈動どう詞し〉to do something automatically/by reflex
車くるまが飛とび出だしてきたので、反はん射しゃ的てきにブレーキを踏ふんだ。
A car suddenly darted out, so I hit the brakes reflexively.

自じ動どう的てきN3
自動的 describes mechanical or systematic automation, while 反射的 describes an instinctive, unthinking human or animal reaction.
無む意い識しき的てき
無意識的 stresses acting without conscious awareness, while 反射的 stresses the speed and instinctive nature of the reaction itself.

意い図と的てき
意図的 means done on purpose, the opposite of 反射的, which means done without thinking.
意い識しき的てきN3
意識的 means done with conscious awareness, contrasting with 反射的, which describes unthinking, automatic reactions.

反はん射しゃN1
反射 is the noun for 'reflection/reflex' itself, while 反射的 is the na-adjective describing an action as reflexive or automatic.

From 反射 (reflection, reflex) + 的 (adjectival suffix).