a. Obs. [f. L. alacri-s brisk, lively + -OUS. Cf. hilari-ous.] Brisk, lively, active.

1

1602.  Warner, Albion’s Eng., Epit. (1612), 376. His alacrious Intertainments, and vpright Gouernment.

2

1640.  Jackson, Wks., I. Pref. Alacrious endeavours to redeem time.

3

a. 1660.  Hammond, Wks., IV. 550 (R.). ’Twere well if we were a little more alacrious.

4

[Not in Johnson, but in mod. Dicts.]

5