adj. unaffected by time; "few characters are so dateless as Hamlet"; "Helen's timeless beauty"

adj. continuing forever or indefinitely; "the ageless themes of love and revenge"; "eternal truths"; "life everlasting"; "hell's perpetual fires"; "the unending bliss of heaven"

adj. not subject to death

adj. without limits in extent or size or quantity; "immeasurable vastness of our solar system"

adj. continuing forever or indefinitely; "the ageless themes of love and revenge"; "eternal truths"; "life everlasting"; "hell's perpetual fires"; "the unending bliss of heaven"

adj. 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"

adj. not liable to or capable of change; "an invariable temperature"; "an invariable rule"; "his invariable courtesy"

adj. steadfast in purpose or devotion or affection; "a man constant in adherence to his ideals"; "a constant lover"; "constant as the northern star"

adj. tiresomely long; seemingly without end; "endless debates"; "an endless conversation"; "the wait seemed eternal"; "eternal quarreling"; "an interminable sermon"

adj. continuing forever or indefinitely; "the ageless themes of love and revenge"; "eternal truths"; "life everlasting"; "hell's perpetual fires"; "the unending bliss of heaven"

adj. not liable to fluctuate or especially to fall; "stocks are still firm"

adj. being in the original position; not having been moved; "the archeologists could date the vase because it was in-situ"; "an in-situ investigator"

adj. not changed by editing

adj. not improved or brought up to date; "the book is still unrevised"

adj. seemingly boundless in amount, number, degree, or especially extent; "unbounded enthusiasm"; "children with boundless energy"; "a limitless supply of money"

adj. having no known beginning and presumably no end; "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth"

adj. infinitely great in number; "endless waves"

adj. beyond calculation or measure; "of incalculable value"; "an incomputable amount"; "jewels of inestimable value"; "immeasurable wealth"

adj. that cannot be entirely consumed or used up; "an inexhaustible supply of coal"

adj. seemingly boundless in amount, number, degree, or especially extent; "unbounded enthusiasm"; "children with boundless energy"; "a limitless supply of money"

adj. bounded or limited in magnitude or spatial or temporal extent