Common word› JLPT N2 › Freq. Frequency Top 5,000 Conjugation 警戒する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 警けい 戒かい する 警けい 戒かい しない Polite 警けい 戒かい します 警けい 戒かい しません Past polite 警けい 戒かい しました 警けい 戒かい しませんでした Past 警けい 戒かい した 警けい 戒かい しなかった Te-form 警けい 戒かい して 警けい 戒かい しないで Desire 警けい 戒かい したい 警けい 戒かい したくない Potential 警けい 戒かい できる 警けい 戒かい できない Passive 警けい 戒かい される 警けい 戒かい されない Causative 警けい 戒かい させる 警けい 戒かい させない Causative passive 警けい 戒かい させられる 警けい 戒かい させられない Volitional 警けい 戒かい しよう Polite volitional 警けい 戒かい しましょう Imperative 警けい 戒かい しろ 警けい 戒かい するな Conditional 警けい 戒かい すれば 警けい 戒かい しなければ Tara conditional 警けい 戒かい したら 警けい 戒かい しなかったら
Usage patterns 〈 事こと 〉 を 警けい 戒かい する to be on guard against something
They are on guard against flooding caused by heavy rain.
警けい 戒かい を 強つよ める to strengthen vigilance
The police stepped up their vigilance against terrorism.
警けい 戒かい を 緩ゆる める to relax one's guard
Since the typhoon had passed, they relaxed their guard.
警けい 戒かい 態たい 勢せい を 敷し く to set up a state of alert
A strict state of alert was put in place across the region.
警けい 戒かい 心しん を 抱いだ く to feel wary or suspicious
He is always wary of the people around him.
〈 人ひと 〉 に 警けい 戒かい される to be regarded with suspicion by someone
The new boss was regarded warily by his subordinates at first.
Related words· 7 注意 is general attention or a warning to be careful, while 警戒 specifically means staying alert against a potential danger or threat.
用心 refers to personal, everyday precaution (as in 火の用心 ), whereas 警戒 is broader and often used for organized security or heightened alertness.
警備 refers to the concrete act of guarding or patrolling a place, while 警戒 describes the mental/organizational state of being on alert.
警戒 is general vigilance or caution, while 厳戒 describes a stricter, more fortified state of security.
Show 3 more Show fewer 警戒 stresses actively being on guard against a threat, whereas 要注意 is a more neutral descriptive tag applied to people, places, or things that call for care.
警戒 emphasizes being alert or on guard against danger, while 監視 focuses on the ongoing act of watching or tracking someone or something.
警戒する means to be on guard or alert against danger in general, while 見張る specifically involves watching a place or person to catch trouble as it happens.
Opposites 油断 means carelessness or letting one's guard down, the direct opposite of 警戒 's watchful alertness.
警戒する means to stay guarded and wary of someone, the opposite state of 打ち解ける , which means to let one's guard down and become friendly.
Don't confuse with 警告 means an explicit warning issued to someone, while 警戒 is the state of being cautious or watchful oneself, not a message sent to another.
警戒 means being alert or on guard against a potential danger, while 警備 is the concrete task of physically guarding a place or event.
Word family· 18 wariness; caution; vigilance
sense of caution; wariness
cordon; security net; alert network
warning line; police cordon
warning coloration; aposematic coloration
Show 5 more Show fewer high alert; severe warning
early warning
special precautions; special vigilance
special precautions; heightened vigilance
guarding; being on guard; watchfulness
See all 18 in Explore →
Etymology Compound of 警 (けい , 'warn, admonish') and 戒 (かい , 'caution, admonish'). The combination conveys the idea of being watchful and prepared against danger.
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