VERBS

be
become, fall, go, grow
lie, keep, remain, sit, stay
Just sit quiet for a moment, there's a good boy
keep sb/sth
Keep that dog quiet, will you!

ADV

all, extraordinarily, extremely, really, remarkably, unusually, very
Suddenly the room went all quiet
absolutely, completely, perfectly
fairly, pretty, rather
enough
blissfully
deathly, eerily
The house was eerily quiet
dangerously, ominously
His voice was dangerously quiet as he asked the question
oddly, strangely, unnaturally
She went back to a strangely quiet house
uncharacteristically

PREP

about
I knew I had to keep quiet about it

PHRASES

nice (and) quiet
I was looking forward to a nice quiet afternoon

VERBS

be, look, seem
become
lie, remain, sit
Lie quiet for an hour and you'll feel better
keep sb/sth
Keep the patient as quiet as possible

ADV

extremely, very
comparatively, fairly, pretty, quite, rather, reasonably, relatively
enough
Things seemed quiet enough, but it was an uneasy calm