ANT: Advancement, progression, aggression, procession.

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KEY: Regret \v.\

SYN: Grieve, lament, repent, miss, desiderate, deplore.

ANT: Welcome, hail, approve, abandon, abjure, forget, disregard.

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KEY: Regret \n.\

SYN: Sorrow, grief, concern, remorse, lamentation, repentance, [See GRIEF].

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KEY: Regular.