on-again, off-again

or on-a·gain-off-a·gain

[ on-uh-gen awf-uh-gen, of-, awn- ]
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adjective
  1. being in force or inoperative by turns, especially spasmodically and unpredictably: an on-again, off-again romance.

Origin of on-again, off-again

1
First recorded in1945–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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