occasional

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. occurring from time to time (Freq. 21)
- took an occasional glass of wine
• Similar to:
infrequent
2. occurring or appearing at usually irregular intervals (Freq. 2)
- episodic in his affections
- occasional headaches
• Syn:
episodic
• Similar to:
unpredictable
3. occurring from time to time
- casual employment
- a casual correspondence with a former teacher
- an occasional worker
• Syn:
casual
• Similar to:
irregular
• Derivationally related forms:
casualness (for: casual)
4. recurring or reappearing from time to time
- periodic feelings of anxiety
• Syn:
periodic
• Similar to:
sporadic

• Từ đồng nghĩa / Synonyms:
  periodic, casual, episodic, occasional(a)