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for certain

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for certain

without any doubt for sure The only thing Jack could say for certain about Jill was that she was a complete mystery to him.

Related vocabulary: you bet

See also: certain

for certain

Also, for sure. Without doubt. For example, I can't tell for certain if this is the right color, or I know for sure that she has a new car. The first term dates from the early 1300s. The variant, dating from the late 1500s, is also used colloquially to express agreement or assert the truth of a statement, as in Mary is really bossy.-That's for sure, or Are you coming to the party?-For sure I am.

See also: certain

for certain

Without doubt; definitely.

See also: certain