"refrain" in the noun sense
1. refrain, chorus
the part of a song where a soloist is joined by a group of singers
"refrain" in the verb sense
1. refrain, forbear
resist doing something
"He refrained from hitting him back"
"she could not forbear weeping"
2. abstain, refrain, desist
choose not to consume
"I abstain from alcohol"
Source: WordNet® (An amazing lexical database of English)
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