unmeasurable

adjective

1. of undetermined or indefinitely great extent or amount; unlimited; measureless: the unmeasured heavens.
2. unrestrained; intemperate: unmeasured rage.
3. Prosody. not metrical.

adjective

1. measureless; limitless
2. unrestrained; unlimited or lavish
3. music without bar lines and hence without a fixed pulse

adj.late 14c., from un- (1) “not” + measurable.