Answer: nimble

AnswerCrossword Clue
NIMBLEAgile.
nimbleagile; quick
nimbleagile (able to move quickly and easily)
NIMBLEWhat Jack should be
NIMBLELight-fingered
NIMBLELike Jack, it's said
NIMBLEHardly clumsy
NIMBLETwinkle-toed
NIMBLEMentally quick
NIMBLEWhat Jack has to be
NIMBLEAdjective for a good shortstop
NIMBLE"Jack, be ..."
NIMBLEFull of animation.
NIMBLEQuick-witted.
NIMBLEQuick-footed
NIMBLEQuick-witted
NIMBLELight-footed
NIMBLELike a certain Jack
NIMBLELike a memorable Jack
NIMBLEQuick and light
NIMBLEQuick to understand
NIMBLESurefooted
NIMBLESpry
NIMBLELike Jack
NIMBLELike a nursery-rhyme Jack
NIMBLEAgile
NIMBLELight on one's feet