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

adj. remaining the same for indefinitely long times

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. having no limits or boundaries in time or space or extent or magnitude; "the infinite ingenuity of man"; "infinite wealth"

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

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

adj. incapable of being changed or moved or undone; e.g. "frozen prices"; "living on fixed incomes"

adj. not subject or susceptible to change or variation in form or quality or nature; "the view of that time was that all species were immutable, created by God"

adj. marked by firm determination or resolution; not shakable; "firm convictions"; "a firm mouth"; "steadfast resolve"; "a man of unbendable perseverence"; "unwavering loyalty"

adj. continuing or enduring without marked change in status or condition or place; "permanent secretary to the president"; "permanent address"; "literature of permanent value"

adj. existing for a long time; "hopes for a durable peace"; "a long-lasting friendship"

adj. not capable of being changed or altered; "unalterable resolve"; "an unalterable ground rule"

adj. showing little if any change; "a static population"

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

adj. continuing in time or space without interruption; "a continuous rearrangement of electrons in the solar atoms results in the emission of light"- James Jeans; "a continuous bout of illness lasting six months"; "lived in continuous fear"; "a continuous row of warehouses"; "a continuous line has no gaps or breaks in it"; "moving midweek holidays to the nearest Monday or Friday allows uninterrupted work weeks"

adj. never dying; "his undying fame"

adj. (sometimes followed by `with') in agreement or consistent or reliable; "testimony consistent with the known facts"; "I have decided that the course of conduct which I am following is consistent with my sense of responsibility as president in time of war"- FDR

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. liable to or capable of change; "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses"

adj. capable of or tending to change in form or quality or nature; "a mutable substance"; "the mutable ways of fortune"; "mutable weather patterns"; "a mutable foreign policy"