- lidless - not having or covered with a lid or lids; "a lidless container"
Antonym: lidded
- lidless - having no lid; "a lidless container"
Antonym: topped (indirect, via topless)
- lidless, sleepless - without having the eyes closed or covered by the eyelids; "to an eye like mine, a lidless watcher of the public weal"- Alfred Tennyson
Antonym: unalert (indirect, via alert)