suspicious

1 ENTRIES FOUND:
suspicious /səˈspɪʃəs/ adjective
suspicious
/səˈspɪʃəs/
adjective
Britannica Dictionary definition of SUSPICIOUS
[more suspicious; most suspicious]
1 
: causing a feeling that something is wrong or that someone is behaving wrongly : causing suspicion
2 
: having or showing a feeling that something is wrong or that someone is behaving wrongly : feeling or showing suspicion
— often + of

— suspiciously

adverb