Verbs don't describe they show actions or states.
Adjectives describe. Some adjectives you could use with detective are:
diligent cunning inquisitive fast thorough.
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Like is a verb. It describes an action.
Persuaded is a verb. It describes an action.
Digging is a verb. It describes an action.
Tittle is a verb. It describes an action.
Fester is a verb. It describes an action.