bitter

American  

[bit-er] / ˈbɪt ər /

adjective

bitterer, bitterest

1. having a harsh, disagreeably acrid taste, like that of aspirin, quinine, wormwood, or aloes.

   Synonyms:

   distasteful, unpalatable, acrid

2. producing one of the four basic taste sensations; not sour, sweet, or salt.

3. hard to bear; grievous; distressful.

   a bitter sorrow.

   Synonyms:

   painful, poignant

4. causing pain; piercing; stinging.

   a bitter chill.

   Synonyms:

   nipping, biting

5. characterized by intense antagonism or hostility.

   bitter hatred.

   Synonyms:

   relentless, ruthless, cruel, fierce

6. hard to admit or accept.

   a bitter lesson.

7. resentful or cynical.

   bitter words.

   Synonyms:

   scornful, sardonic, biting, caustic, acrimonious

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noun

1. that which is bitter; bitterness.

   Learn to take the bitter with the sweet.

2. British. a very dry ale having a strong taste of hops.

verb (used with object)

1. to make bitter.

   herbs employed to bitter vermouth.

adverb

1. extremely; very; exceedingly.

   a bitter cold night.

bitter British  

/ ˈbɪtə /

adjective

1. having or denoting an unpalatable harsh taste, as the peel of an orange or coffee dregs Compare sour

2. showing or caused by strong unrelenting hostility or resentment

   he was still bitter about the divorce

3. difficult or unpleasant to accept or admit

   a bitter blow

4. cutting; sarcastic

   bitter words

5. bitingly cold

   a bitter night

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adverb

1. very; extremely (esp in the phrase bitter cold )

noun

1. a thing that is bitter

2. beer with a high hop content, with a slightly bitter taste

verb

1. to make or become bitter

bitter Idioms  

More idioms and phrases containing bitter

• take the bitter with the sweet

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Other Word Forms

• bitterish adjective
• bitterly adverb
• bitterness noun
• nonbitter adjective
• overbitter adjective
• overbitterly adverb
• unbitter adjective

Etymology

Origin of bitter

First recorded before 1000; Middle English, Old English biter; cognate with German bitter, Old Norse bitr, Gothic baitrs; akin to bite

Explanation

If you usually drink your coffee with lots of cream and sugar in it, you might be surprised at how bitter plain black coffee can taste. Bitter means "having a sharp or harsh flavor." Bitter describes a particular pungent taste, like the sharpness of very dark chocolate (which is sometimes called bittersweet for its mixture of the two flavors). If you imagine taking that bitter taste on your tongue and turning it into an emotion, you've got another meaning of bitter: a resentful, angry feeling. And if you turn that bitter flavor into a physical feeling, you've got an adjective that describes a sharp, unpleasant sensation, like a cold, bitter wind.

Example Sentences

Howe issued similar words after a bruising defeat against bitter rivals Sunderland last time out.

From BBC • Apr. 12, 2026

But he quit the institution last year amid a bitter governance dispute with its chairperson.

From Barron's • Apr. 10, 2026

The author is bitter toward the Metropolitan Transportation Authority, the public corporation overseeing New York transit, for borrowing from Wall Street, just as the private rail lines did.

From The Wall Street Journal • Apr. 10, 2026

We’re talking about an enormous bureaucratic organization with 2,000 years of weird and troubled history, whose massive internal contradictions and bitter factional disputes are only partly visible to outsiders.

From Salon • Apr. 5, 2026

A bitter Jackson set off for the White House, believing that the vicious attacks on his wife had caused her death and vowing revenge on his political opponents.

From "In the Shadow of Liberty" by Kenneth C. Davis

Related Words

• acrimonious
• biting
• caustic
• fierce
• hateful
• intense
• rancorous
• resentful
• severe
• sour
• stinging
• vitriolic