List of Challenging Character Trait Words Here is a list of mostly challenging character trait words in alphabetical order. able-bodied cooperative encouraging gracious intriguing adoring cordial energetic grateful introverted adventurous courageous enterprising gregarious inventive ambitious cunning enthusiastic gullible jealous argumentative curious expressive handy jolly arrogant dainty extroverted hardy jubilant articulate daring exuberant harsh judgmental bashful dashing facetious helpful keen beautiful decent faithful homely kingly boastful deceptive fatigued honest knowledgeable bright delicate felicitous honorable lackadaisical brilliant determined forceful hopeful lavish calculating devious forgiving hospitable lazy calm disagreeable forthright humble lecherous cautious dreaded fortitudinous imaginative liberal classy dubious fortunate immoral lovable clever duplicitous frustrated imperial loyal compassionate dutiful generous impulsive materialistic complacent eager gentle indecisive meritorious confident efficient glamorous independent meticulous conscientious eloquent good-natured intelligent mischievous considerate emphatic graceful munificent intolerant naive stately punctilious strict punctual stubborn quiet studious quirky tenacious quizzical thoughtful reasonable thrifty rebellious timid reserved tolerant resilient treacherous respectful trusting responsible uncouth reverent understanding terrifying unfortunate rigid unscrupulous rowdy unwise ruthless vain sensible vengeful sensitive wasteful serious willful shallow wise sheepish youthful sociable spontaneous