Se-rēne'1, a.
a. [Lat. serenus, It., Sp., & Pg. sereno, Pr. seren, sere, Fr. serein.]
- Clear and calm; not ruffled or clouded; fair; bright; as, a serene sky; serene air. “Full many a gem of purest ray serene.” Gray.
- Calm; unruffled; undisturbed; as, a serene aspect; a serene soul. Milton.
☞ Serene is given as a title to several princes and magistrates in Europe; as, serene highness; most serene.