1. Vocally expressing grief, 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: sorrowful

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

Encyclopedia: Lament