keenest

Strongest matches

• anxious
• ardent
• avid
• eager
• fervent
• fierce
• impatient
• intense

Strong matches

• alert
• animate
• animated
• devoted
• earnest
• intent
• interested
• spirited
• warm

Weak matches

• agog
• appetent
• athirst
• breathless
• dying to
• ebullient
• fervid
• fond of
• gung ho
• impassioned
• lively
• perfervid
• sprightly
• thirsty
• vehement
• vivacious
• zealous

Strongest matches

• acute
• intense
• strong

Strong matches

• acid
• caustic
• cutting
• edged
• extreme
• fine
• honed
• penetrating
• pointed
• tart

Weak matches

• incisive
• observant
• perceptive
• quick-witted
• razor-sharp
• sardonic
• satirical
• trenchant
• unblunted

Strongest matches

• astute
• discriminating
• quick
• sensitive
• sharp
• shrewd
• wise

Strong matches

• Einstein
• discerning
• whiz

Weak matches

• bright
• brilliant
• canny
• clever
• nobody's fool
• perceptive
• perspicacious
• sagacious
• sapient
• sharp as a tack