Choose the perfect synonym or antonym for the word Used to express certainty or necessity.
Must
/məst/Synonyms:
Antonyms:
Examples:
"But you must go now.
So you must, you really must come, as you agreed.
I think he must have gone to look for it.
Etymology:
The word must originated from Middle English, derived from the Old English word moste, past tense of motan, which means to be allowed to, be able to, must, must. It further traces back to Proto-Germanic roots.
Usage Statistics:
431 mentions per 1 million words 
Hint: Frequency according to COCA
Very Often
Hint: Frequency according to COCA
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