adj.粗心的，鲁莽的,
Merriam-Webster Online Dictionary
reckless (adjective)1.
marked by lack of proper caution careless of consequences
2.
- irresponsible reckless charges adventurous
Merriam-Webster Online Thesaurus
reckless (adjective)1.
having or showing a lack of concern for the consequences of one's actions
SYNONYMS:
daredevil, devil-may-care, foolhardy, harum-scarum, hell-for-leather, irresponsible, kamikazeRELATED WORDS:
adventurous, audacious, bold, daring, venturesome; hasty, headlong, hotheaded, impetuous, precipitate, rash, wild; blithe, carefree, happy-go-lucky, madcap, slaphappy; nonchalant, unconcerned, unworried; careless, freewheeling, heedless, inattentive, incautious, mindless, regardless, unheeding, unmindful; feckless, inconsiderate, thoughtless, unthinkingNEAR ANTONYMS:
careful, cautious, circumspect, heedful; overcareful, overcautious, timid2.
foolishly adventurous or bold
SYNONYMS:
audacious, brash, daredevil, madcap, overbold, overconfident, reckless, temerariousRELATED WORDS:
adventuresome, adventurous, bold, daring, venturesome, venturous; brave, courageous, dauntless, doughty, fearless, gallant, greathearted, gutsy, hardy, heroic ( heroical), intrepid, lionhearted, manful, stalwart, stout, stouthearted, undauntable, undaunted, valiant, valorous; hotheaded; impetuous, imprudent, impulsive, incautious, rash; brainless, foolish, harebrained, scatterbrained; careless, heedless, thoughtless; hasty, headlong, precipitateNEAR ANTONYMS:
unadventurous, unambitious; fainthearted, fearful, mousy ( mousey), scary, shy, skittish, timid, timorous; calm, cool, levelheaded, sensible; alert, intelligent, quick-witted, sharp; chicken, chickenhearted, cowardly, craven, dastardly, lily-livered, pusillanimous, recreant, spineless, unheroic, yellow