JLPT N1 · な-adjective

頑固 (ganko)

頑固 (がんこ, ganko) is a Japanese な-adjective meaning “stubborn; obstinate”. It appears in JLPT N1 vocabulary lists and is marked as a common word in JMdict.

Reading: がんこ
Romaji: ganko
Word class: な-adjective
Level: JLPT N1 (unofficial)

Meaning

stubborn; obstinate; pigheaded · な-adjective, noun

Example sentences

彼は性質が頑固だ。

He is obstinate in disposition.

Tatoeba #103395

Sentences from the Tatoeba project, linked to this word in JMdict.

Conjugation of 頑固

な-adjective. Plain and polite forms below; try any other word in the Japanese verb conjugator.

Form	Japanese	Reading
Present (plain)	頑固だ	がんこだ gankoda
Present (polite)	頑固です	がんこです gankodesu
Negative	頑固じゃない	がんこじゃない gankojanai
Past	頑固だった	がんこだった gankodatta
Negative past	頑固じゃなかった	がんこじゃなかった gankojanakatta
Te-form	頑固で	がんこで gankode
Before a noun	頑固な	がんこな gankona
Adverb (~ni)	頑固に	がんこに gankoni

Kanji in 頑固

頑

stubborn, foolish, firmlyガン・かたく.な · 13 strokes

固

harden, set, clotコ・かた.める・かた.まる · 8 strokes

Related words

Other vocabulary sharing a kanji with 頑固.

頑張るがんばるto persevere頑丈がんじょうsolid固まるかたまるto harden固定こていfixing (in place)固有こゆうcharacteristic (of)固めるかためるto harden

Source: JMdict entry 1217680 (EDRDG, CC BY-SA 4.0). Level: unofficial JLPT list – how levels are assigned.