Never giving out or coming to an end; unceasing, constant, continual.

(un-, prefix1 affix 1b.)

(un-, prefix1 affix 1b.)

Incapable of being drained dry; inexhaustible.

= inexhaustible, adj.

Not to be dried up, inexhaustible.

Incapable of being exhausted; inexhaustible.

(un-, prefix1 affix 1b.)

Having no limits; not restricted as regards amount, extent, degree, scope, etc.; subject to no limitation or restriction; (esp. of power…