Skip to content

JLPT
Kanji
Tests
FAQ

鳥居Loading…

The entrance to your Japanese learning journey. Everything for JLPT prep — free, forever.

JLPT levels

JLPT N5
JLPT N4
JLPT N3
JLPT N2
JLPT N1

Study

Hiragana chart
Katakana chart
Kanji dictionary
214 radicals
Vocabulary lists
Grammar
Reading practice

Tests

JLPT guide
N5 practice test
Compare tests
NAT-TEST
JPT

Get started

Start with hiragana
Choose your level

© 2026 Nihon Torii. Built for learners, free for everyone.

鳥居 · とりい

Home
Levels
Start
Features
FAQ

Home
Vocabulary
JLPT N4
熱心

JLPT N4 · Vocabulary

熱心 — “enthusiastic, eager, devoted”

熱心 (read ねっしん) means enthusiastic, eager, devoted. It appears on the JLPT N4 vocabulary list and is a な-adjective.

Reading

ねっしん

Meaning

enthusiastic, eager, devoted

熱心 in a sentence

彼女かのじょは熱心ねっしんに勉強べんきょうします。

She studies eagerly.

The kanji in 熱心

熱hot; fever
心heart, mind

Words that share a kanji with 熱心

熱いあつい— hot (objects)
熱ねつ— fever, heat
熱帯ねったい— the tropics, tropical zone
熱中ねっちゅう— being absorbed in, enthusiasm, mania
熱するねっする— to heat, to heat up
加熱かねつ— heating, applying heat
心配するしんぱいする— to worry, to be anxious
安心あんしん— relief, peace of mind, reassurance

Study N4 vocabulary free ← All N4 words All な-adjectives