a. [ad. Fr. acrimonieux, -euse, ad. med.L. ācrimōniōs-us, f. ācrimōnia; see ACRIMONY and -OUS.]
1. 1 = ACRID 1. arch.
1612. Woodall, Surgeons Mate, Wks. 1653, 180. If it proceed of an acrimonious fretting humor, etc.
1646. Sir T. Browne, Pseud. Ep., 336. Artificiall copperose is a rough and acrimonious kinde of salt.
1664. Dr. H. Power, Exp. Philos., I. 63. A sharp and acrimonious vapour that strikes our nostrils.
1732. Arbuthnot, Rules of Diet, 298. All Substances that abound with an acrimonious Salt and Volatile Oil are hurtful.
1813. Marshall, Gardening, § 19, 328 (ed. 5). The sap is very (even dangerously) acrimonious.
1856. Mill, Logic, IV. v. § 4 (1868), II. 244. Natural substances which possessed strong and acrimonious properties.
2. Bitter and irritating in disposition or manner; bitter-tempered.
1775. Johnson, Tax. no Tyr., 69. Malignity thus acrimonious.
1831. Scott, Abbot, i. 12. Engaged in a furious and acrimonious contest.
1833. I. Taylor, Fanaticism, § 1, 2. If his feelings are petulant and acrimonious.
1849. Macaulay, Hist. Eng., I. 565. Only a single acrimonious expression escaped him.
1861. May, Const. Hist. Eng., I. i. 54 (1863). Political hostility had been embittered by the most acrimonious disputes.