1) Alas partner 2) Companion of alas 3) Cousin of alas 4) Cry of regret 5) Disheartened cry 6) Dismayed cry 7) Elizabethan interjection 8) Elizabethan lament 9) Exclamation of dismay 10) Exclamation of sorrow 11) Expression of regret 12) Expression of sorrow 13) Exclusively Saxon word 14) Exclusively Anglo word 
expression of sorrow or regret
• (interj.) An exclamation expressive of sorrow.
A·lack' interj. [ Prob. from ah! lack! Middle English lak loss, failure, misfortune. See Lack .] An exclamation expressive of sorrow. [ Archaic. or Poet.] Shak. 
(used as an exclamation of sorrow, regret, or dismay.)