\In*grat"i*tude\, n. [F. ingratitude, L.
ingratitudo. See {Ingrate}.]
Want of gratitude; insensibility to, forgetfulness of, or ill
return for, kindness or favors received; unthankfulness;
ungratefulness.
      Ingratitude, thou marble-hearted fiend.  --Shak.
      Ingratitude is abhorred both by God and man.
                                               --L'Estrange.