bathroom, bedroom
compact, dresser (AmE), make-up, pocket, shaving
hand (BrE), hand-held (AmE)
full-length, tall
framed, ornate
antique
two-way
He watched them through a two-way mirror.

concave, convex
oval, round
rear, rear-view, side-view (AmE), wing (BrE)
Always check your mirror before pulling out to overtake.

funhouse (AmE)
broken, cracked

use
glance in, look in, look into
admire yourself in, examine yourself in, look at yourself/your face in
He was busy admiring himself in the mirror.

face, sit at, stand in front of
check
catch sight of sb/sth in, see sb/sth in
hang
We hung a mirror over the fireplace.

break, crack, smash

reflect sth, reveal sth, show sth
hang
a large mirror hanging on the wall behind him

image, reflection (esp. AmE)
Art can be seen as a mirror image of society.

in a/the mirror
She stared at her face in the mirror.

closely
The trends here closely mirror those in America.

exactly, faithfully, perfectly
almost

seem to

be mirrored by sth, be mirrored in sth
The jump in business confidence has been mirrored by the increase in employment.

be mirrored in sb's face, be mirrored on sb's face
The shock was mirrored on her face.

Mirror is used with these nouns as the subject:
eye