He looked around paranoiacally suspicious of everyone in the room.
paranoiacally obsessed
Frequency:
60
%
She was paranoiacally obsessed with the idea that someone was following her.
paranoiacally delusional
Frequency:
50
%
His behavior became increasingly paranoiacally delusional as he believed in conspiracies.
Idiomatic Expressions for paranoiacally
Phrase: act paranoiacally
Meaning: to behave in an overly suspicious or distrustful manner
Usage: His constant checking of his phone and emails made his coworkers think he was acting paranoiacally.