English edit

Etymology edit

slumber +‎ -ous

Adjective edit

slumberous (comparative more slumberous, superlative most slumberous)

  1. Sleepy, drowsy.
    Synonyms: slumbery, somnolent; see also Thesaurus:sleepy
  2. Sleep-inducing.
    Synonyms: hypnotic, somnolent; see also Thesaurus:soporific

Derived terms edit