"extracurricular" in the adjective sense
1. extracurricular
outside the regular academic curriculum
"sports and drama are popular extracurricular activities"
2. extracurricular
outside the regular duties of your job or profession
3. adulterous, extramarital, extracurricular
characterized by adultery
"an adulterous relationship"
"extramarital affairs"
"the extracurricular activities of a philandering husband"
Source: WordNet® (An amazing lexical database of English)
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