/ səˈspɪʃəsli; NAmE / adverb
1.
in a way that shows you think sb has done sth wrong, illegal or dishonest :
The man looked at her suspiciously.
2.
in a way that makes people think sth wrong, illegal or dishonest is happening :
Let me know if you see anyone acting suspiciously.
3.
in a way that shows you think there may be sth wrong with sth :
She eyed the fish on her plate suspiciously.
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IDIOMS
- look / sound suspiciously like sth