Adjective perpetual has 3 senses
- ageless, eternal, everlasting, perpetual, unending, unceasing - continuing forever or indefinitely; "the ageless themes of love and revenge"; "eternal truths"; "life everlasting"; "hell's perpetual fires"; "the unending bliss of heaven"
Antonyms: impermanent, temporary (indirect, via permanent)
- ceaseless, constant, incessant, never-ending, perpetual, unceasing, unremitting - uninterrupted in time and indefinitely long continuing; "the ceaseless thunder of surf"; "in constant pain"; "night and day we live with the incessant noise of the city"; "the never-ending search for happiness"; "the perpetual struggle to maintain standards in a democracy"; "man's unceasing warfare with drought and isolation"; "unremitting demands of hunger"
Antonyms: discontinuous, noncontinuous (indirect, via continuous)
- incessant, perpetual, endless - occurring so frequently as to seem ceaseless or uninterrupted; "a child's incessant questions"; "your perpetual (or continual) complaints"
Antonym: sporadic (indirect, via continual)
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