1. [adjective] Occurring or appearing irregularly from time to time.
2. [adjective] Not very often.
3. [adjective] Created for a specific occasion.
4. [adjective] Intended for use as the occasion requires.
5. [adjective] Acting in the indicated role from time to time.
6. [adjective] Occurring from time to time; 'took an occasional glass of wine'.
7. [adjective] Occurring or appearing at usually irregular intervals; 'episodic in his affections'; 'occasional headaches'.
8. [adjective] Occurring from time to time; 'casual employment'; 'a casual correspondence with a former teacher'; 'an occasional worker'.
9. [adjective] Recurring or reappearing from time to time; 'periodic feelings of anxiety'.
