if not

Also found in: Idioms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.if not - perhaps; indicating possibility of being more remarkable (greater or better or sooner) than; "will yield 10% if not more"; "pretty if not actually beautiful"; "let's meet tonight if not sooner"
References in periodicals archive ?
There are many possible scenarios, one of them being the immediate start of an emancipatory process, if not outright emancipation.
This first-of-its-kind solution can save the coal burning industry hundreds of millions if not billions of dollars, in failing emission control costs.
If not called, the coupon will step up by 100 basis points.
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