The Collaborative International Dictionary
Imbitter \Im*bit"ter\, v. t. [imp. & p. p. Imbittered; p. pr. & vb. n. Imbittering.] [Pref. im- in + bitter. Cf. Embitter.] [Written also embitter.] To make bitter; hence, to make distressing or more distressing; to make sad, morose, sour, or malignant.
Is there anything that more imbitters the enjoyment of
this life than shame?
--South.
Imbittered against each other by former contests.
--Bancroft.
Wiktionary
vb. (alternative spelling of embitter English)
Usage examples of "imbitter".
Rome, the remembrance of her consuls and triumphs, may seem to imbitter the sense, and aggravate the shame, of her slavery.
Uncle Kinch had lost a leg at Cold-Harbor, in the Confederate service, but this misfortune did not imbitter his spirit nor check the flow of his brilliant wit that had descended to him from a long line of Irish ancestry.
But their misfortunes had been imbittered by the triumph of the Fatimites, the real or spurious progeny of Ali.
He had fought upon the King's side in all the late wars, and had at Shrewsbury received a wound that unfitted him for active service, so that now he was fallen to the post of Captain of Esquires at Devlen Castle--a man disappointed in life, and with a temper imbittered by that failure as well as by cankering pain.
The view of these disorders, which had been fomented by his laws and example, ^40 imbittered the declining age of the Persian monarch.
The resentment of the people was imbittered by some previous disputes.
Capricious pardon and arbitrary punishment imbittered the irksomeness and discontent of a long reign: a conspiracy was formed in the palace.
But now her judgment, instead of being controlled by duteous devotion, was made active by the imbittering discovery that in her past union there had lurked the hidden alienation of secrecy and suspicion.