Difficulty: Easy
Correct Answer: Rare
Explanation:
Given data
MeaningInfrequent = occurring seldom; not happening often; rare.
Option analysisFrequent/Regular/Common — all mean “happening often”; these are antonyms.Rare — happens seldom; best synonym.
Common pitfallsDo not confuse “infrequent” with “irregular.” Something can be infrequent yet still occur at regular intervals (e.g., quarterly).
Final AnswerRare
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