|a.||1.||Having no lid, or not covered with the lids, as the eyes; hence, sleepless; watchful.|
|Adj.||1.||lidless - not having or covered with a lid or lids; "a lidless container"|
lidded - having or covered with a lid or lids; often used in combination; "milk is left in a large lidded mug"; "heavy-lidded eyes"
|2.||lidless - having no lid; "a lidless container"|
|3.||lidless - without having the eyes closed or covered by the eyelids; "to an eye like mine, a lidless watcher of the public weal"- Alfred Tennyson|