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- pronunciation:
- tre
ch
rs
| part of speech: |
adjective |
| definition 1: |
betraying or likely to betray trust; false.
The king's treacherous brother betrayed him to his enemy.Her treacherous friend told her secrets to others.- antonyms:
- faithful, loyal
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| definition 2: |
full of danger or risk.
They were warned not to ski the treacherous slope.- similar words:
- dangerous, risky
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| derivations: |
treacherously (adv.), treacherousness (n.) |
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