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1. Vocally expressing grief or sorrow or resembling such expression
   "lamenting sinners"
   - wailing, wailful

1. Express grief verbally
   "we lamented the death of the child"
   - keen
    
2. Regret strongly
   "we lamented the loss of benefits"
   - deplore, bewail, bemoan

See also: lamentable, lamentation, lamenter, sorrowful

Type of: complain, express emotion, express feelings, kick, kvetch [N. Amer], plain [archaic], quetch, sound off

Encyclopedia: Lament