Common word› JLPT N4 › Freq. Frequency Top 10,000 Conjugation 硬い · i-adjective
Form Positive Negative Dictionary 硬かた い 硬かた くない Polite 硬かた いです 硬かた くないです also 硬かた くありません Past polite 硬かた かったです 硬かた くなかったです also 硬かた くありませんでした Past 硬かた かった 硬かた くなかった Te-form 硬かた くて 硬かた くなくて Adverbial 硬かた く Conditional 硬かた ければ 硬かた くなければ Tara conditional 硬かた かったら 硬かた くなかったら
Meanings Jump to a sense… 1. hard; solid; tough 2. stiff; tight; wooden; unpolished 3. strong; firm; not easily moved 4. steadfast; honest; safe; obstinate 5. bookish; formal; stuffy Usage patterns 肉にく が 硬かた い the meat is tough
This steak's meat is tough.
表ひょう 情じょう が 硬かた い to have a stiff, tense expression
His expression was stiff during the interview.
決けつ 意い が 硬かた い to have firm, unshakable resolve
His resolve was so firm that no one could change it.
硬かた い 話はなし a stiff, formal topic of conversation
The meetings always consist of stiff, formal topics.
声こえ が 硬かた い one's voice sounds tense or strained
Her voice sounded tense over the phone.
Related words 硬直 is a formal noun/suru-verb for 'stiffening' or 'rigidity', used for muscles or systems, while 硬い is the everyday adjective for something stiff or tight.
頑固 specifically means 'stubborn' as a personality trait, while 硬い can describe a person's character more broadly, including honesty or inflexibility.
頑丈 describes something sturdy and durable in construction, whereas 硬い focuses on the surface or material being hard to the touch.
硬い is the everyday adjective for 'hard' usable in almost any context, while 硬質 is a more formal noun/adjectival term often used in technical or descriptive writing about materials.
Opposites· 7 柔らかい is the direct antonym of 硬い , describing something soft and pliable rather than hard and rigid.
easy; plain; familiar · informal; friendly; affable
硬い describes something firm, stiff, or hard, the direct opposite of the floppy, bendable quality of ぐにゃぐにゃ .
Show 4 more Show fewer 硬い describes something stiff or rigid, the direct opposite of しなやか 's supple flexibility.
硬い means hard or stiff, the direct opposite of 柔らか describing physical texture.
硬い means hard or rigid (of an object) or inflexible (of an attitude), the direct opposite of 柔軟 .
硬い means physically hard or firm, contrasting with やわ 's sense of softness or lack of firmness.
Don't confuse with 固い is a homophone meaning physically or figuratively 'hard/firm', while 難い (also read かたい ) means 'difficult' and is written with a different kanji.
堅 (けん ) is a rare literary noun for firmness, while 堅い (かたい ) is the common adjective meaning 'hard, firm' used constantly in everyday Japanese.
堅い means physically or figuratively 'hard/firm', while 堅苦しい uses the same kanji but means 'stiffly formal' in manner or atmosphere.
Word family· 7 hardness; firmness; stiffness · honesty; integrity; uprightness
extremely hard; rock solid; super stiff
firm noodles; al dente ramen
hard cover; stiff cover
Mohs hardness
Show 2 more Show fewer scratch hardness
Rockwell hardness
Written forms 硬かた い Usage 34%
General kanji for physical hardness, especially for metal, stone, and rigid objects. Often used as the default spelling when the nuance is not specific.
固かた い Usage 37%
Used for solidity, firmness, and abstract senses like stubbornness or steadfastness. Common for food that is firm or for a tight bond.
堅かた い Usage 16%
Often used for wood, firmness, reliability, and formal/stiff behavior. Implies a sense of being solid and trustworthy.
かたい Usage 13%
Kana spelling is common in everyday writing when the kanji distinction is not important or to avoid choosing the wrong kanji.
緊かた い
irregular kanji usage
Irregular kanji usage. Rarely used; may appear in older or specialized texts.
Etymology Native Japanese adjective. The three main kanji spellings (硬 , 固 , 堅 ) reflect nuanced distinctions in hardness that have been associated with the word over time, but the core meaning of 'hard, firm' is consistent.
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