occasional (English)

Adjective

occurring from time to time; "took an occasional glass of wine"

Adjective

occurring or appearing at usually irregular intervals; "episodic in his affections"; "occasional headaches"

Adjective

occurring on a temporary or irregular basis; "casual employment"; "a casual correspondence with a former teacher"; "an occasional worker"

Adjective

recurring or reappearing from time to time; "periodic feelings of anxiety"