English synonyms about - contact  

render uncertain

verb

Roget 475: be uncertain etc. adj.; wonder whether.    lose the clue, lose the clew, scent; miss one's way.    not know what to make of etc. (unintelligibility) 519, not know which way to turn, not know whether one stands on one s head or one's not know whether one stands on one s head or one's heels; ... show more

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