Bíodh airdeall agat ar an gclaidhe seachain an dtitfidh sé, beware of the wall, for fear it might fall. Bí san airdeall ar an teine, beware of the fire.
f. (d) Bheith san airdeall ar dhuine ar dhuine, (ii) beware of s.o. Níor mór a bheith san airdeall air, tá sé dallta, one should be on one's guard against him, he is blind drunk.
f. (e) (Mar a, br.) act of watching, minding. Bhí an bodach ag airdeall uirthi (19), the 'brute' was watching her. Ag airdeall ar bhó a bheith bradach, watching a thieving cow.