Select the most appropriate ANTONYM for the given word.
Occasional

Regular

The most appropriate antonym for the word occasional is regular.

• Occasional means happening or done from time to time; not regular or frequent.
• Regular means happening or done at fixed times or intervals; not occasional or sporadic.

The other words do not have the same meaning as occasional and are therefore not antonyms.

• Fitful means happening or acting in irregular or spasmodic way.
• Episodic means happening or occurring at intervals.
• Casual means happening by chance or without intention.