suspiciously
adverb
Definitions
(manner) In a way suggesting suspicion.
Example: The police officer looked at her suspiciously.
(manner) In a way that arouses suspicion.
Example: She was behaving very suspiciously.
(evaluative) Causing suspicion.
Example: Suspiciously, he had taken out an insurance policy on his wife just months earlier.
(degree) To a degree that makes one suspect something.
Example: It looked suspiciously like a molding-compound repair of a dent.