occasional

Adjective

• recurring or reappearing from time to time
  • periodic feelings of anxiety
    

• occurring from time to time
  • casual employment
    
  • a casual correspondence with a former teacher
    
  • an occasional worker
    

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

• occurring from time to time
  • took an occasional glass of wine
    

Related words

• Synonyms: 
  periodic , casual , episodic , occasional(a)