That cannot be ‘refrained’ or held in check.

That cannot be restrained; irrepressible.

(un-, prefix1 affix 1b.)

(un-, prefix1 affix 1b.)

Not restrainable; that cannot be restrained or held in check.

Incapable of being constrained.

That cannot be bound or tied. Cf. ligable, adj.

(un-, prefix1 affix 1b.)

Not repressible; that cannot be repressed, restrained, or put down; irrestrainable. (Of persons, often more or less humorous.)

figurative. (In quot. 1824 = irrepressible.)

(un-, prefix1 affix 1b.)

(un-, prefix1 affix 1b.)