Utter

Meaning as Adjective:  outright, absolute

Synonyms for utter (as adj.):

Pure,

Sheer

Unmitigated

Blasted

Blessed

Blooming

Complete

Confounded

Consummate

Perfect

Total

All-fired

Arrant

Downright

Entire

Flat-out

Infernal

Out-and-out

Stark

Straight-out

Thorough

Thoroughgoing

Unqualified

Meaning as Verb say, reveal:

Synonyms for utter (as verb):

Articulate

Assert

Blurt

Deliver

Enunciate

Express

Mutter

Proclaim

Pronounce

Recite

Shout

Speak

Whisper

Affirm

Air

Announce

Asseverate

Chime

Chin

Declaim

Declare

Disclose

Divulge

Ejaculate

Exclaim

Go

Jaw

Modulate

Mouth

Promulgate

Publish

Spiel

State

Talk

Verbalize

Vocalize

Voice

Bring out

Come out with

Give words to

Lip

Make known

Put into words

Throw out

Antonyms for utter

Be quiet

Conceal

Hide

Mumble

Deny

Refrain

Secrete

Suppress

Withhold