Answer: keener

AnswerCrossword Clue
KEENERShowing more enthusiasm
KEENERNot so blunt
KEENERNot so dull
KEENERMore acute
KEENERMore penetrating
KEENERMourner
KEENERLess obtuse
KEENEROne who wails
KEENERMore anxious
KEENERComparatively shrewd
KEENERMore gung-ho
KEENERMore interested
KEENERNot so obtuse
KEENERMore perceptive
KEENERMore enthusiastic
KEENERMore zealous
KEENERMore discerning
KEENERHoffman's "Capote" co-star
KEENERMore sharp
keenerintense
keenersharp or piercing
keenerintelligent
keenereager
keenerone that keens (to wail loudly over the dead)
KEENER"Being John Malkovich" actress
KEENERCatherine of "Full Frontal"
KEENERMore mentally alert
KEENERSharper, as eyes
KEENERMore perspicacious
KEENERComparatively quick-witted
KEENERMore eager
KEENERSharper
KEENERLess dull
KEENERSharper, as vision
KEENERMore intense
KEENERMore astute
KEENERBetter honed
KEENERNot as dull
KEENERMore incisive.
KEENERProfessional mourner.