Subsidize \Sub"si*dize\, v. t. [imp. & p. p. {Subsidized}; p. pr. & vb. n. {Subsidizing}.] [From {Subsidy}.] To furnish with a subsidy; to purchase the assistance of by the payment of a subsidy; to aid or promote, as a private enterprise, with public money; as, to subsidize a steamship line. He employed the remittances from Spain to subsidize a large body of German mercenaries. --Prescott.