Sorrow vs Bitterness - What's the difference?

As nouns the difference between sorrow and bitterness

is that sorrow is unhappiness, woe while bitterness is the quality of having a bitter taste.

is to feel or express grief.

(uncountable) unhappiness, woe

* Rambler

The safe and general antidote against sorrow is employment.

(countable) (usually in plural) An instance or cause of unhappiness.

Parting is such sweet sorrow .

(en verb)

To feel or express grief.

* 1749 , Henry Fielding, Tom Jones , Folio Society 1973, p. 424:

‘Sorrow not, sir,’ says he, ‘like those without hope.’

To feel grief over; to mourn, regret.

*, II.12:

It is impossible to make a man naturally blind, to conceive that he seeth not; impossible to make him desire to see, and sorrow his defect.

* *

the quality of having a bitter taste

the quality of feeling bitter; acrimony, resentment

* (quality of being bitter in taste) acerbicness, acridity, acridness * (quality of feeling bitter) acrimony, gall, rancor/rancour, resentment