Synonyms of the word

diurnal

• adj. Happening or occurring during daylight, or primarily active during that time.
• adj. (botany) Said of a flower open, or releasing its perfume during daylight hours, but not at night.
• adj. Having a daily cycle that is completed every 24 hours, usually referring to tasks, processes, tides, or…
• adj. (uncommon) Done once every day; daily, quotidian.
• adj. (archaic) Published daily.
• n. A flower that opens only in the day.
• n. (Catholicism) A book containing canonical offices performed during the day, hence not matins.
• n. (archaic) A diary or journal.
• n. (archaic) A daily news publication.

cyclic

• adj. Characterized by, or moving in cycles, or happening at regular intervals.
• adj. (chemistry, of a compound) Having chains of atoms arranged in a ring.
• adj. (botany) Having parts arranged in a whorl.
• adj. (mathematics, of a group) Being generated by only one element.
• adj. (geometry, of a polygon) Able to be inscribed in a circle.

cyclical

• adj. Recurring at regular intervals.