1. Vocally expressing grief or sorrow or resembling such expression
   "wailful bagpipes"; "tangle her desires with wailful sonnets"
   - lamenting, wailing

See also: sorrowful

• undamped
• undatable
• undated
• undaunted
• undead
• undecagon
• undeceive
• undeceived
• undecided
• undecipherable
• undecipherably
• undeciphered
• undeclared
• undecomposable
• undecomposed
• undecorated
• undecylenic acid
• undedicated
• undefeated
• undefendable
• undefended
• undeferential
• undefiled
• undefinable
• undefined