Common word› JLPT N1 › Freq. Frequency Top 5,000 Conjugation 妨害する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 妨ぼう 害がい する 妨ぼう 害がい しない Polite 妨ぼう 害がい します 妨ぼう 害がい しません Past polite 妨ぼう 害がい しました 妨ぼう 害がい しませんでした Past 妨ぼう 害がい した 妨ぼう 害がい しなかった Te-form 妨ぼう 害がい して 妨ぼう 害がい しないで Desire 妨ぼう 害がい したい 妨ぼう 害がい したくない Potential 妨ぼう 害がい できる 妨ぼう 害がい できない Passive 妨ぼう 害がい される 妨ぼう 害がい されない Causative 妨ぼう 害がい させる 妨ぼう 害がい させない Causative passive 妨ぼう 害がい させられる 妨ぼう 害がい させられない Volitional 妨ぼう 害がい しよう Polite volitional 妨ぼう 害がい しましょう Imperative 妨ぼう 害がい しろ 妨ぼう 害がい するな Conditional 妨ぼう 害がい すれば 妨ぼう 害がい しなければ Tara conditional 妨ぼう 害がい したら 妨ぼう 害がい しなかったら
Usage patterns 〈 事こと 〉 を 妨ぼう 害がい する to obstruct/interfere with something
The protesters obstructed traffic.
〈 物もの 〉 の 妨ぼう 害がい になる to become a hindrance to something
The large luggage became an obstruction to passersby.
妨ぼう 害がい を 受う ける to be obstructed/hindered by someone
The election campaign was subjected to interference.
電波でんぱ を 妨害ぼうがい する to jam radio signals
The military jammed the enemy's radio signals.
Kanji 妨 disturb, prevent, hamper Related words· 7 邪魔 is a casual, everyday word for getting in someone's way or being a nuisance, while 妨害 is more formal and often implies deliberate or systematic obstruction, including technical interference.
阻害 is used for hindering abstract processes like growth, progress, or absorption, whereas 妨害 refers more to actively blocking or disrupting actions and signals.
妨害 is a more formal, often legal or serious term for obstruction, while ブロック is casual and used especially in sports or everyday contexts.
妨害 suggests interfering with or hindering progress (often deliberately and disruptively), whereas 阻止 focuses on completely blocking or halting the action.
Show 3 more Show fewer 妨害 emphasizes deliberate obstruction or hindrance, whereas 干渉 can be neutral, official, or merely intrusive without blocking anything.
妨害する suggests deliberate, often intentional obstruction (as in sabotage), while 妨げる is neutral and can apply to unintentional hindrance too.
妨害 specifically means obstruction or interference with something (e.g. business, traffic), while 迷惑行為 is a broader term for any troublesome or annoying conduct.
Opposites· 6 協力 means to cooperate and help, the opposite of 妨害 , which means to obstruct or interfere.
妨害 means obstruction or hindrance, the opposite of 支援 's meaning of helping or backing someone.
妨害 means obstruction or interference, the opposite of the assistance expressed by 手助け .
Show 3 more Show fewer 妨害 means to obstruct or interfere with someone, the opposite of 援護 , which means to support or back them up.
妨害 means to obstruct or hinder, the opposite of the helping/supporting sense of 応援 .
妨害 means obstruction or interference, the opposite of 後押し 's sense of helping something move forward.
Don't confuse with 障害 is the noun for an obstacle or barrier (including disabilities), while 妨害 is the act of obstructing or interfering with something, and the two kanji look similar and are easily mixed up.
妨害 means to obstruct or interfere, while 防御 means to defend or protect; the two are easily confused because of their similar sound and shared kanji 防 .
妨害 shares the kanji 害 with 迫害 but means obstruction or interference with an activity, not sustained persecution of people.
妨害する specifically means to obstruct or interfere with an action, whereas 害する has a wider range including physical harm and killing.
Word family· 20 jammer; jamming device · interceptor aircraft
obstacle; obstruction
obstruction (crime); obstruction charge
traffic obstruction; blocking traffic
obstruction of justice
Show 5 more Show fewer obstruction of business; interference with business
sabotage; obstruction work
obstructive tactics; harassing tactics
radio jamming
interference; obstruction; sabotage
See all 20 in Explore →
Written forms 妨ぼう 害がい Usage 100%
Standard kanji form; high-frequency in news and general use.
妨ぼう 碍がい
rarely-used kanji form
Rarely used variant kanji form.
妨ぼう 礙がい
rarely-used kanji form
Rarely used variant kanji form.
Etymology Compound of 妨 (ぼう , 'to obstruct') and 害 (がい , 'harm, damage'). The kanji 妨 suggests hindering or impeding, and 害 adds the nuance of causing harm or trouble. The word is a straightforward Sino-Japanese compound.
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