sus·pi·cious 
/səˈspɪʃəs/ adjective
/səˈspɪʃəs/ adjective [more suspicious; most suspicious] 1 : causing a feeling that something is wrong or that someone is behaving wrongly : causing suspicion
▪ We were instructed to report any suspicious activity/behavior in the neighborhood. ▪ The suspicious vehicle was reported to police. ▪ He died under suspicious circumstances. [=under circumstances that suggest a crime may have been committed] ▪ Suspicious characters were seen hanging around the bank. ▪ He found a suspicious lump on his back and was afraid it might be cancer. 2 : having or showing a feeling that something is wrong or that someone is behaving wrongly : feeling or showing suspicion
▪ Officials are suspicious about her death. ▪ His manner made me suspicious. — often + of ▪ She became suspicious of his behavior. ▪ The dog is suspicious of strangers. [=the dog does not trust strangers] ▪ We noticed the suspicious stare of the security guard.
▪ We were instructed to report any suspicious activity/behavior in the neighborhood. ▪ The suspicious vehicle was reported to police. ▪ He died under suspicious circumstances. [=under circumstances that suggest a crime may have been committed] ▪ Suspicious characters were seen hanging around the bank. ▪ He found a suspicious lump on his back and was afraid it might be cancer.
▪ Officials are suspicious about her death. ▪ His manner made me suspicious. — often + of ▪ She became suspicious of his behavior. ▪ The dog is suspicious of strangers. [=the dog does not trust strangers] ▪ We noticed the suspicious stare of the security guard.
— sus·pi·cious·ly adverb
▪ “Is there someone in the bedroom?” he asked suspiciously. ▪ The security guard stared at us suspiciously. ▪ He was acting/behaving suspiciously. ▪ The answers on the two students' tests are suspiciously alike. ▪ This sounds suspiciously like an excuse to get out of work.
▪ “Is there someone in the bedroom?” he asked suspiciously. ▪ The security guard stared at us suspiciously. ▪ He was acting/behaving suspiciously. ▪ The answers on the two students' tests are suspiciously alike. ▪ This sounds suspiciously like an excuse to get out of work.
