1 adjective unreasonable, illogicaláiféiseach adj1 c m uáibhéalach adj1 c m useafóideach adj1 c m uforget about that absurd notion!déan dearmad ar an tseafóid sin!, caith uait an amaidí sin!2 adjective sillyáiféiseach adj1 c m uait adj1 c m uaisteach adj1 c m useafóideach adj1 c m udon't be absurd!ná bí seafóideach!, éirigh as an amaidí!