Deliberately vague or ambiguous.

Roget 544: false, deceitful, mendacious, unveracious, fraudulent, dishonest, faithless, truthless, trothless; unfair, uncandid; hollow-hearted; evasive; uningenuous, disingenuous; hollow, sincere, Parthis mendacior; forsworn.    artificial, contrived; canting; hypocritical, jesuitical, pharisaical; tartuffish; Machiavelian; double, double tongued, double faced, double handed, double minded, double hearted, double dealing; Janus faced; smooth-faced, smooth spoken, smooth tongued; plausible; mealy-mouthed; affected etc. 855.    collusive, collusory; artful etc. (cunning) 702; perfidious etc. 940; spurious etc. (deceptive) 545; untrue etc. 546; falsified etc. v.; covinous.    ... show more

Roget 773: violating etc. v.; lawless, transgressive; elusive, evasive.    unfulfilled etc. (fulfill) etc. 772.   

Roget 623: unsought, unattempted; avoiding etc. v.; neutral, shy of etc. (unwilling) 603; elusive, evasive; fugitive, runaway; shy, wild.    ... show more

Roget 528: concealed etc. v.; hidden; secret, recondite, mystic, cabalistic, occult, dark; cryptic, cryptical^†; private, privy, in petto, auricular, clandestine, close, inviolate; tortuous.    behind a screen etc. 530; undercover, under an eclipse; in ambush, in hiding, in disguise; in a cloud, in a fog, in a mist, in a haze, in a dark corner; in the shade, in the dark; clouded, wrapped in clouds, wrapt in clouds^†; invisible etc. 447; buried, underground, perdu [Fr.]; secluded etc. 893.    undisclosed etc. 529, untold etc. 527; covert etc. (latent) 526; untraceable; mysterious etc. (unintelligible) 519.    irrevealable^†, inviolable; confidential; esoteric; not to be spoken of; unmentionable.    obreptitious^†, furtive, stealthy, feline; skulking etc. v.; surreptitious, underhand, hole and corner; sly etc. (cunning) 702; secretive, evasive; reserved, reticent, uncommunicative, buttoned up; close, close as wax; taciturn etc. 585.    ... show more

Roget 477: intuitive, instinctive, impulsive; independent of reason, anterior to reason; gratuitous, hazarded; unconnected.    unreasonable, illogical, false, unsound, invalid; unwarranted, not following; inconsequent, inconsequential; inconsistent; absonous^†, absonant^†; unscientific; untenable, inconclusive, incorrect; fallacious, fallible; groundless, unproved; non sequitur [Lat.], it does not follow.    deceptive, sophistical, jesuitical; illusive, illusory; specious, hollow, plausible, ad captandum [Lat.], evasive; irrelevant etc. 10.    weak, feeble, poor, flimsy, loose, vague.    irrational; nonsensical etc. (absurd) 497.    foolish etc. (imbecile) 499; frivolous, pettifogging, quibbling; finespun^†, overrefined^†.    at the end of one's tether, au bout de son latin.    ... show more

Roget 702: cunning, crafty, artful; skillful etc. 698; subtle, feline, vulpine; cunning as a fox, cunning as a serpent; deep, deep laid; profound; designing, contriving; intriguing etc. v.; strategic, diplomatic, politic, Machiavelian, timeserving^†; artificial; tricky, tricksy^†; wily, sly, slim, insidious, stealthy; underhand etc. (hidden) 528; subdolous^†; deceitful etc. 545; slippery as an eel, evasive etc. 623; crooked; arch, pawky^†, shrewd, acute; sharp, sharp as a tack, sharp as a needle^†; canny, astute, leery, knowing, up to snuff, too clever by half, not to be caught with chaff.    tactful, diplomatic, politic; polite etc. 894.    ... show more

Avoiding or escaping from difficulty or danger especially enemy fire.