疑わしい

Etymology
Modern form of classical adjective. Derived via regular historical processes from the classical attributive form.

From verb, as the  +.

Adjective

 * 1) doubtful, uncertain, improbable
 * 2) suspicious
 * 1) suspicious
 * 1) suspicious

Usage notes

 * 疑わしい implies something for which the true nature or quality isn't known, but that may be good or may be bad.
 * implies something that cannot be trusted, or that may be immoral.
 * implies something for which the true nature isn't known, and this uncertainty is a bad thing.
 * implies something for which the true nature isn't known, and this uncertainty causes one to be curious.
 * implies something suspicious that draws attention.

Synonyms

 * 信用できない: (“confidence, faith”) +  (“cannot”);

Related terms

 * : to doubt, to suspect