Antonyms of verb pay-up

1 sense of pay up

Sense 1
pay up, ante up, pay -- (cancel or discharge a debt; "pay up, please!")
       Antonym of default (Sense 1)
      => default, default on -- (fail to pay up)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb pay-up

1 sense of pay up

Sense 1
pay up, ante up, pay -- (cancel or discharge a debt; "pay up, please!")
       => pay -- (discharge or settle; "pay a debt"; "pay an obligation")

Antonyms of adj paid-up

1 sense of paid-up

Sense 1
paid-up -- (paid in advance; "paid-up insurance"; "paid-up members")

INDIRECT (VIA paid) -> unpaid -- (not paid; "unpaid wages"; "an unpaid bill")

Similarity of adj paid-up

1 sense of paid-up

Sense 1
paid-up -- (paid in advance; "paid-up insurance"; "paid-up members")
       => paid (vs. unpaid) -- (marked by the reception of pay; "paid work"; "a paid official"; "a paid announcement"; "a paid check")