# bile

/ˈbaɪɫ/ (US) · /bˈaɪl/ (UK)

Source: https://englishreference.com/word/bile
Updated: 2026-08-27

## Senses

### 1. digestive fluid

noun · CEFR C1 · Technical

a bitter yellow or green liquid produced by the liver that helps your body break down fat.

For teachers: a bitter brownish-yellow or greenish-yellow secretion produced by the liver and stored in the gallbladder to aid lipid digestion.

- The liver produces bile to help the body digest fats from the food you eat.
- Obstruction of the common bile duct can lead to a buildup of bilirubin in the bloodstream, resulting in jaundice.

Usage: Uncountable in most medical and general contexts.

### 2. bitterness or anger

noun · CEFR C2 · Literary

a feeling of great anger or bitterness towards someone.

For teachers: bitterness of temper, ill humour, or irascibility; often used to describe speech or writing filled with hatred.

- His letter was full of bile and directed at everyone who had disagreed with him.
- The critic's review was surprisingly personal, dripping with a level of bile that suggested a long-standing grudge against the director.

Teaching tip: This sense is highly literary; in modern speech, people usually prefer 'bitterness' or 'hatred'.

### 3. ancient physiology

noun · CEFR C2 · Archaic · Technical

one of the four liquids (humours) that ancient doctors believed controlled a person's health and personality.

For teachers: either of two of the four humours (black bile or yellow bile) in ancient and medieval physiology, thought to determine temperament.

- Ancient doctors believed that having too much black bile made a person feel sad.
- The theory of the four humours posited that an excess of yellow bile resulted in a choleric and aggressive personality.

## Examples

- The body produces bile to help digest food.
- The liver stores bile in the gallbladder until it is needed to break down fats during digestion.
- The editorial was filled with such concentrated bile that readers were left wondering what personal grievance the author held against the local council.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.