having lead in pencil

active adequate compelling competent direct efficient forceful impressive potent powerful practical successful useful valid

effectual efficacious

able big-wheel capable cogent convincing emphatic energetic forcible live moving on the ball operative persuasive playing hardball powerhouse producing resultant serviceable serving sound striking telling trenchant virtuous wicked yielding

helpless impotent inadequate incapable incompetent ineffective inefficient insufficient unable useless weak worthless

unproductive unsuccessful

fruitless inoperative