ふしん不審fushin
1.

A feeling of uncertainty or doubt regarding a situation or someone's intentions, often triggered by a lack of clarity or understanding in their actions.

2.

The state of harboring suspicion about underlying motives or hidden aspects in a scenario, leading to a sense of distrust.

3.

A circumstance that raises questions or disbelief, causing one to perceive a potential threat or wrongdoing.

4.

The manifestation of caution or unease when encountering behavior or situations that seem questionable or out of the ordinary.

Example:

警官が不審な歩行者をじっと見つめていた。

ふしんしゃ不審者fushinsha
1.

A person whose behavior or appearance raises doubts or concerns regarding their intentions, often causing alarm among others.

2.

An individual who is perceived to be out of place or acting unusually, leading to insinuations of possible wrongdoing or illicit activity.

3.

A person whose activities provoke mistrust or wariness in a community, typically due to unfamiliarity or suspicious actions.

4.

An entity that elicits concern due to unexplained or questionable behavior that may threaten public safety or order.

きょどうふしん挙動不審kyodoufushin
1.

A pattern of actions or demeanor that raises doubts about a person's intentions or honesty, often leading others to feel uneasy or concerned.

2.

Engaging in unusual or erratic behavior that attracts attention and suggests potential deceit or wrongdoing.

3.

Exhibiting behaviors that are inconsistent with societal norms, causing observers to question the individual's motives or state of mind.

ふしんび不審火fushinbi
1.

A fire that occurs under unclear or mysterious conditions, often raising questions about its true origin.

2.

A fire that is suspected to have been intentionally set due to the absence of a legitimate cause or explanation.

3.

An incident of combustion that appears dubious, prompting investigations for possible foul play or arson.

ふしんじんもん不審尋問fushinjinmon
1.

A formal inquiry conducted by law enforcement aimed at a person exhibiting suspicious behavior.

2.

An investigative questioning process typically employed by police when they suspect someone may be involved in illicit activities.

3.

The act of questioning an individual to clarify their intentions or actions due to perceived odd or unusual behavior in a public context.