unobtainable, unachievable, attainable, unreachable, unrealistic, achievable, illusive, unachieved, elusive, unrealizable, unfeasible, illusory, loftier, impossible, untouchable, chimerical, unheard, obtainable, unfulfilled, unaffordable, alluring, holy grail, desirable, unimaginable, unattractive, irresistible, illusionary, unthinkable, unpractical, realistic, limitless, unattainably, unapproachable, utopian, improvable, undreamed, infeasible, unaccomplished, doable, implausible, unfathomable, undoable, impractical, prohibitive, accomplishable, unstated, unreal, unsolvable, farfetched, unmovable, meaningless, irrelevant, realizable, surmountable, insuperable, costless, fathomable, unbeatable, nonexistent, anathema, unworkable, predestined, idealized, impenetrable, hopeless, inconceivable, imperfect, undreamt, impregnable, infinite, overambitious, unbeautiful, unknowable, unclimbable, vacuous, conquerable, unteachable, indefinable, edenic, inaccessible, unalike, insolvable, unthought, wishful, assailable, immutable, mutually exclusive, unimportant, worthless, useless, unsurpassable, nebulous, reachable, daunting, anachronistic, ultimate, graspable, unbridgeable, pointless, invincible, insurmountable, uninterested, unattained, unrealised, realisable, unrealized, achieved, attained

mirage, nympholepsy, probabilism, sour grapes, tantalising, tantalizing, unachievably, unattainableness, unattainably, wild-goose chase