past participle of unspeak
expressed without speech
"a mute appeal"
"a silent curse"
"best grief is tongueless"
"the words stopped at her lips unsounded"
"unspoken grief"
"choking exasperation and wordless shame"
not made explicit
"the unexpressed terms of the agreement"
"things left unsaid"
"some kind of unspoken agreement"
"his action is clear but his reason remains unstated"
Not spoken; not said.