occasional(a) (adj)

occurring from time to time

"took an occasional glass of wine"

episodic, occasional (adj)

occurring or appearing at usually irregular intervals

"episodic in his affections"; "occasional headaches"

casual, occasional (adj)

occurring from time to time

"casual employment"; "a casual correspondence with a former teacher"; "an occasional worker"

periodic, occasional (adj)

recurring or reappearing from time to time

"periodic feelings of anxiety"

occasional (Adjective)

Occurring or appearing irregularly from time to time.

occasional (Adjective)

Not very often.

occasional (Adjective)

Created for a specific occasion.

occasional (Adjective)

Intended for use as the occasion requires.

occasional (Adjective)

Acting in the indicated role from time to time.