a. 1. Having no meaning or signification; as, unmeaning words. [ 1913 Webster ]
2. Not indicating intelligence or sense; senseless; expressionless; as, an unmeaning face. [ 1913 Webster ]
There pride sits blazoned on the unmeaning brow. Trumbull. [ 1913 Webster ]
-- Un*mean"ing*ly, adv. -- Un*mean"ing*ness, n. [ 1913 Webster ]