Synonyms and related words :
abiding, accordant, alike, automatic, balanced, blah, broken-record, changeless, consistent, consonant, constant, continuous, correspondent, drearisome, dreary, dry, dryasdust, dull, dusty, enduring, equable, equal, eternal, even, everlasting, fast, fixed, flat, harping, homogeneous, humdrum, immovable, immutable, inalterable, incommutable, inconvertible, indefeasible, inert, inflexible, insusceptible of change, intransmutable, invariant, irretrievable, irreversible, irrevocable, jog-trot, lasting, level, long-winded, measured, mechanical, methodic, monolithic, monotonous, noble, nonreturnable, nonreversible, of a piece, ordered, orderly, permanent, persistent, prolix, regular, reverseless, rigid, robotlike, set, singsong, smooth, stable, steadfast, steady, systematic, tedious, treadmill, unalterable, unalterative, unaltered, unbroken, unchangeable, unchanged, unchanging, undeflectable, undeviating, undifferentiated, undiversified, uneventful, unexceptional, unfailing, uniform, unmodifiable, unmodified, unmovable, unremitting, unrestorable, unreturnable, unruffled, unsusceptible, unvariable, unvaried, unvarying, unwavering