| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | endless, without limit |
| Synonyms: | great, illimitable, immeasurable, immense, incalculable, indefinite, inexhaustible, infinite, limitless, measureless, no catch, no end of, no end to, no holds barred, no strings, no strings attached, tremendous, unbounded, unconfined, unending, unlimited, untold, vast, wide open |
| Antonyms: | limited, restricted |
| Main Entry: | defenseless |
| Part of Speech: | adjective |
| Definition: | powerless, vulnerable |
| Synonyms: | caught, endangered, exposed, hands tied, helpless, in line of fire, indefensible, like a clay pigeon, like a sitting duck, naked*, on the line, on the spot, open, out on limb, pigeon, poor, unarmed, unguarded, unprotected, up the creek, weak, wide open |
| Antonyms: | powerful, strong |
| Main Entry: | flat-out |
| Part of Speech: | adverb |
| Definition: | at top speed |
| Synonyms: | all the way, all-out, at a good clip, for all one's worth, full blast, head over heels, in full gallop, lickety-split, the whole nine yards, to the max, unrestrainedly, wide open, without reservation |
| Main Entry: | foolhardy |
| Part of Speech: | adjective |
| Definition: | impetuous, rash |
| Synonyms: | adventuresome, adventurous, audacious, bold, breakneck, daredevil, daring, devil-may-care, harebrained, headstrong, imprudent, incautious, irresponsible, madcap, off deep end, out on limb, precipitate, reckless, temerarious, venturesome, venturous, wide open |
| Antonyms: | careful, cautious, discreet, thoughtful |
| Main Entry: | incautious |
| Part of Speech: | adjective |
| Definition: | not careful |
| Synonyms: | any old way, bold, brash, careless, caught napping, devil-may-care, fast-and-loose, foot-in-mouth, hasty, heedless, hotheaded, ill-advised, ill-judged, impetuous, improvident, imprudent, impulsive, inconsiderate, indiscreet, injudicious, madcap, neglectful, negligent, off guard, pay no mind, playing with fire, precipitate, rash, reckless, regardless, sticking one's neck out, thoughtless, unalert, unguarded, unmindful, unthinking, unvigilant, unwatchful, wary, wide open |
| Antonyms: | careful, cautious, discreet, thoughtful |
| Main Entry: | limitless |
| Part of Speech: | adjective |
| Definition: | never-ending, infinite |
| Synonyms: | bottomless, boundless, countless, endless, illimitable, immeasurable, immense, incomprehensible, indefinite, inexhaustible, innumerable, measureless, no end of, no end to, no holds barred, no strings, numberless, unbounded, uncalculable, undefined, unending, unfathomable, unlimited, untold, vast, wide-open |
| Antonyms: | calculable, ending, exhaustible, finite, limited, measureable |
| Main Entry: | risky |
| Part of Speech: | adjective |
| Definition: | dangerous |
| Synonyms: | chancy, delicate, dicey, endangered, fraught with danger, going for broke, hairy*, hanging by a thread, hazardous, iffy, insecure, jeopardous, long shot, not a prayer, off the deep end, on slippery ground, on the spot, on thin ice, out on a limb, perilous, playing with fire, precarious, rocky, sensitive, speculative, ticklish, touch-and-go, touchy, treacherous, tricky, uncertain, unhealthy, unsafe, unsound, venturesome, wicked, wide-open |
| Antonyms: | assured, certain, safe, sure |
| Main Entry: | susceptible |
| Part of Speech: | adjective |
| Definition: | exposed, naive |
| Synonyms: | affected, aroused, be taken in, disposed, easily moved, easy, fall for, given, gullible, impressed, impressible, impressionable, inclined, influenced, liable, mark, movable, nonresistant, obnoxious, open, out on a limb, persuadable, predisposed, prone, pushover, ready, receptive, responsive, roused, sensible, sensile, sensitive, sentient, sitting duck, soft, stirred, subject, sucker, suggestible, susceptive, swallow, swayed, tender, touched, tumble for, vulnerable, wide open |
| Antonyms: | resistant, resisting, unsusceptible |
| Main Entry: | unarmed |
| Part of Speech: | adjective |
| Definition: | disarmed |
| Synonyms: | exposed, hands tied, helpless, indefensible, like a sitting duck, naked*, open, powerless, unguarded, unprotected, unshielded, vulnerable, weaponless, wide open |