Synonyms for mourn

verb

1. To lament

   deplore, grieve, fret, sorrow, rue, regret, bemoan, sigh, long for, miss, droop, languish, yearn, ache, pine, anguish, complain, agonize, repine, weep over, weep, bewail, suffer, wring one's hands, be brokenhearted, be in distress, be sad, beat one's breast, take on*.

   Antonyms celebrate*, rejoice, be happy.

2. To cry

   sob, wail, moan; see cry.