four times(r = adv.all) fourfold - by a factor of four; "the price of gasoline has increased fourfold over the past two years"

N  quadruplication, fourfold, four times, quadrable, quadrumanous, quadruple, quadruplicate, quadrible, fourth, quadrifoliate, quadrifoliolate, quadrigeminal, quadrigeminate, quadriplanar, quadriserial, four times, in the fourth place, fourthly, quadruplication, fourfold, four times, quadrable, quadrumanous, quadruple, quadruplicate, quadrible, fourth, quadrifoliate, quadrifoliolate, quadrigeminal, quadrigeminate, quadriplanar, quadriserial, four times, in the fourth place, fourthly.

a hundred times, a million times, at times, california four o'clock, colorado four o'clock, desert four o'clock, four, four flush, four horsemen, four hundred, four o'clock, good times, hard times, modern times, mountain four o'clock, nine times, old times, past times, petit four, present times, roman times, six times, sweet four o'clock, thousand times, three times, times, times square, trailing four o'clock, two times