不 熱 心(ふねっしん)

ふねっしん

na-adjective

unenthusiastic; indifferent; half-hearted

cognition evaluation

1. unenthusiastic; indifferent; half-hearted; lukewarm

Lacking enthusiasm or commitment toward something. Describes a person's attitude as disengaged or apathetic.

勉強(べんきょう)に不熱心(ふねっしん)な生徒(せいと)だ。

That student is unenthusiastic about studying.

環境問題(かんきょうもんだい)に不熱心(ふねっしん)な企業(きぎょう)は批判(ひはん)される。

Companies that are indifferent to environmental issues are criticized.

彼(かれ)は仕事(しごと)には不熱心(ふねっしん)だが、趣味(しゅみ)にはとても熱心(ねっしん)だ。

He is indifferent to work but very enthusiastic about his hobbies.

The negative form of 熱心(ねっしん) (enthusiastic, eager). Composed of 不(ふ) (not, un-) + 熱心(ねっしん) (enthusiastic). Used to describe a lack of interest or effort in a particular activity.

Common collocations

勉強(べんきょう)に不熱心(ふねっしん): unenthusiastic about studying
仕事(しごと)に不熱心(ふねっしん): half-hearted about work
不熱心(ふねっしん)な態度(たいど): an indifferent attitude
不熱心(ふねっしん)な対応(たいおう): a lukewarm response

Similar words

無関心(むかんしん): apathetic, indifferent — stronger; implies complete lack of interest
やる気(き)がない: unmotivated — more colloquial
消極的(しょうきょくてき): passive, negative — about attitude in general
熱心(ねっしん): enthusiastic, eager — the direct antonym

THE 不(ふ)～ PATTERN:
The prefix 不(ふ) negates many na-adjectives and nouns:

Related Words

Compare: 無関心(むかんしん) (apathetic, indifferent)

Compare: 消極的(しょうきょくてき) (passive, negative)

general

Added 2026.4.2 2:30 · Revised 2026.9.2 13:02

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