Synonyms for Workaday:

• adj.

  •businesslike (adjective)
  • earnest,
  • matter-of-fact,
  • concentrated,
  • enterprising,
  • direct,
  • orderly,
  • well-ordered,
  • diligent,
  • industrious,
  • hardworking,
  • serious,
  • painstaking,
  • effective,
  • correct,
  • regular,
  • practiced,
  • expeditious,
  • purposeful,
  • routine,
  • careful,
  • organized,
  • systematic,
  • intent,
  • skillful,
  • matter of fact,
  • accomplished,
  • sedulous,
  • methodical,
  • disciplined,
  • thorough.
  •commonplace (adjective)
  • colorless,
  • normal,
  • threadbare,
  • lowly,
  • vanilla,
  • matter-of-course,
  • widespread,
  • unexceptional,
  • corny,
  • uninteresting,
  • pedestrian,
  • unnoteworthy,
  • middle-of-the-road,
  • starch,
  • uneventful,
  • obvious,
  • mainstream,
  • middling,
  • plebeian.
  •familiar (adjective)
  • humble,
  • intimate,
  • old hat,
  • recognizable,
  • homespun,
  • native,
  • domestic,
  • household,
  • known,
  • unsophisticated,
  • unceremonious,
  • repeated,
  • proverbial.
  •mundane (adjective)
  • earthly,
  • worldly.
  •ordinary (adjective)
  • indifferent,
  • garden,
  • unpretentious,
  • inferior,
  • plastic,
  • so-so,
  • second-rate,
  • uninspired,
  • modest,
  • generic,
  • fair,
  • mean.
  •plain (adjective)
  • traditional.
  •practical (adjective)
  • virtual,
  • practicable,
  • rational,
  • possible,
  • sensible,
  • nuts and bolts,
  • serviceable,
  • factual,
  • efficient,
  • handy,
  • implicit,
  • unromantic,
  • constructive,
  • usable,
  • feasible,
  • working,
  • applied,
  • empirical,
  • sober,
  • experimental,
  • reasonable,
  • sane,
  • solid,
  • pragmatic,
  • down-to-earth,
  • operative,
  • utile,
  • sound,
  • utilitarian,
  • hard-boiled,
  • workable,
  • functional,
  • commonsensical.
  •prosaic (adjective)
  • drab,
  • lackluster,
  • matter-of- fact,
  • prosy,
  • diddly,
  • platitudinous,
  • dead,
  • flat,
  • nothing,
  • vapid,
  • pabulum,
  • tame,
  • square,
  • dry,
  • boring,
  • zero,
  • Irksome,
  • clean,
  • literal,
  • actual,
  • yawn,
  • tedious,
  • prose,
  • garden-variety,
  • lifeless,
  • blah.
  •routine (adjective)
  • chronic,
  • periodic.
  •unimaginative (adjective)
  • prosaic.
  •usual (adjective)
  • expected,
  • grind,
  • typic,
  • cut-and-dried,
  • rife,
  • constant,
  • fixed.

• n.

  •
  • good,
  • nondescript.
  •quotidian (noun)
  • quotidian.
  •unremarkable (noun)
  • unremarkable.

• Other synonyms:

  •professional
  • occupational.

Antonyms for Workaday:

• adj.

  • businesslike
    inefficient, flippant, unimportant, unserious, disorganized, thoughtless, trivial, Unbusinesslike, unprofessional, amateur.
  • common
    unorthodox, excellent, exceptional, infrequent, different, valuable, aristocratic, noteworthy, unconventional, sophisticated, original, unusual, refined, cultured, extraordinary, uncommon, superior, peculiar, noble, irregular, unfamiliar, abnormal, high, rare, scarce.
  • everyday
    special, unexpected.
  • familiar
    alien, foreign, strange, business, unfriendly, unremarkable, unknowledgeable, unapproachable, aloof, undistinguished, industrial, unknown, cool, reserved, unacquainted, ignorant, cold, distant, new.
  • mundane
    heavenly, exciting, wonderful, supernatural.
  • ordinary
    ornate, intricate, remarkable, embellished, complex, complicated, distinctive, unclear, difficult, decorated, intelligent.
  • plain
    pretty, obscure, vague, imperceptible, abstruse, ambiguous, hidden, Obscured, beautiful, attractive, incomprehensible.
  • practical
    inexperienced, incapable, unreasonable, untrained, unattainable, unproficient, unseasoned, impossible, unfeasible, unskilled, worthless, unlikely, impractical, unworkable, unrealistic, useless, unserviceable, excited, irrational, unsound.
  • prosaic
    imaginative, creative, thinking, interesting.
  • routine
    eccentric, breaking, variable, untraditional.
  • usual
    inconstant, atypical, unsteady, occasional.
  • Other antonyms:
    unprecedented, sublime, out-of-the-way, smart, uncustomary, funny, untypical, unwonted, offbeat, unparalleled, tidy, neat, wild, aberrant, unexampled, odd, anomalous, stylish, lofty, striking, quirky, oddball, best, far-out, outrageous, outre, phenomenal, singular, prominent, fashionable, fantastic, signal, way out, weird, recherche, nonconformist, curious, salient, idiosyncratic, freakish, wacky, unique, quaint, chic, conspicuous, trim, bizarre, semiformal, outlandish, kooky, notable, screwy, high-minded, outstanding, formal, dressy, freak, dressed-up, elegant, novel.