1615 G. Sandys 148 A Iew..did poison his sonne, whom he knew to be vnrestrainably lasciuious.
1738 A. Hill i. 4 Men..will be rashly and unrestrainably impelled, against Loyalty, Religion, and Safety,—against every Impression, but Rage.
1849 J. Ruskin i. 23 There is occasionally a burst upwards and blossoming unrestrainably to the sky.
1966 18 549 Zin's horse, mistakenly spurred, races away unrestrainably out of sight.
2003 (Nexis) 29 Jan. e4 E. J. Hughes may choose to live a retiring life, but his art is unrestrainably outgoing.