Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class VI. Words Relating to the Sentient and Moral Powers
Section II. Personal Affections
1. Passive Affections

833. Regret.

   NOUN:REGRET, repining; homesickness, nostalgia; mal du pays [F.], maladie du pays [F.]; lamentation [See Lamentation]; penitence [See Penitence].
  BITTERNESS, heartburning.
  laudator temporis acti [L.] (discontent) [See Discontent].
   VERB:REGRET, deplore; bewail (lament) [See Lamentation]; repine, cast a longing lingering look behind; rue, rue the day; repent [See Penitence]; infandum renovare dolorem [L.].
  prey -, weigh -, have a weight- on the mind; leave an aching void.
   ADJECTIVE:REGRETTING &c. v.; regretful; homesick.
  REGRETTED &c. v.; much to be regretted, regrettable; lamentable (bad) [See Badness].
   INTERJECTION:what a pity! hang it or hang it all! [colloq.].    QUOTATIONS:
  1. ’tis true ’tis pity; And pity ’tis ’tis true.—Hamlet
  2. ‘sigh’d and look’d and sigh’d again.—Dryden
  3. Bombazine would have shown a deeper sense of her loss.—Gaskell
  4. I am a lone, lorn creetur’ and every think goes contrairy with me.—Mrs. Gummidge, in David Copperfield