[bit-er] 
adjective, -er, -est, noun, verb, adverb | 1. | having a harsh, disagreeably acrid taste, like that of aspirin, quinine, wormwood, or aloes. |
| 2. | producing one of the four basic taste sensations; not sour, sweet, or salt. |
| 3. | hard to bear; grievous; distressful: a bitter sorrow. |
| 4. | causing pain; piercing; stinging: a bitter chill. |
| 5. | characterized by intense antagonism or hostility: bitter hatred. |
| 6. | hard to admit or accept: a bitter lesson. |
| 7. | resentful or cynical: bitter words. |
| 8. | that which is bitter; bitterness: Learn to take the bitter with the sweet. |
| 9. | British. a very dry ale having a strong taste of hops. |
| 10. | to make bitter: herbs employed to bitter vermouth. |
| 11. | extremely; very; exceedingly: a bitter cold night. |
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