ろくに~ない (barely, scarcely)

A fixed pattern using ろくに with a following negation, meaning 'barely / hardly / scarcely / not properly / not adequately / not even decently.' Often carries a critical or disappointed tone — used to denigrate the quality or thoroughness of an action. ろくに眠れない ('can't even sleep properly'), ろくに食べていない ('hardly eating').