There is a total of 6259 clues beginning with is
- Is a match for
 - Is a member
 - Is a member of
 - Is a menace to
 - Is a mendicant
 - Is a middleman
 - Is a mixologist
 - Is a monarch
 - Is a motor-mouth
 - Is a motormouth
 - Is a night watchman?
 - Is a no-body?
 - Is a no-go?
 - Is a noisy kitty
 - Is a Nosy Parker
 - Is a nuisance to
 - Is a parent to
 - Is a part of
 - Is a part of, as a play
 - Is a partner in crime
 - Is a party to
 - Is a patron of, as a restaurant
 - Is a pioneer
 - Is a polite host to
 - Is a poor loser
 - Is a poor night watchman, say
 - Is a poor winner
 - Is a precursor of
 - Is a pro
 - Is a productive hen
 - Is a proponent of
 - Is a quick learner?
 - Is a rat
 - Is a real burden to
 - Is a real looker
 - Is a real stinker
 - Is a recluse
 - Is a romancer, old-style
 - Is a rubbernecker
 - Is a second-story man
 - Is a selfish sleeper
 - Is a shining star
 - Is a shoplifter
 - Is a shrew to
 - Is a sign of
 - Is a sign of
 - Is a skeptic
 - Is a sluggard
 - Is a smart student
 - Is a snap, informally
 - Is a sore loser
 - Is a sore loser, maybe
 - Is a sore loser, say
 - Is a source of danger
 - Is a spectator at
 - Is a spellbinder
 - Is a sport
 - Is a straggler
 - Is a straight shooter
 - Is a student in a housekeeping course?
 - Is a success on the market
 - Is a success
 - Is a successful running back?
 - Is a supporter of
 - Is a taskmaster
 - Is a tenant
 - Is a thespian
 - Is a thief
 - Is a thing
 - Is a total flop
 - Is a tough negotiator
 - Is a trailblazer
 - Is a tributary of, as a river
 - Is a true believer in
 - Is a vacuum
 - Is a valuable hen
 - Is a visionary
 - Is a ways from all right
 - Is a wheelman for
 - Is a willing participant?
 - Is a windbag
 - Is a winner, as a book
 - Is a witness
 - Is a wuss
 - Is a yakker
 - Is able
 - Is able to
 - Is able to 38-Down money
 - Is able to overlook
 - Is able to translate what was heard on the wall?
 - Is able to, biblically
 - Is able to, old-style
 - Is able to, Shakespearean-style
 - Is able to, to Shakespeare
 - Is able, to Shakespeare
 - Is about to fall
 - Is above
 - Is abrupt with
 - Is absolutely relentless
 - Is absorbed in study (with "over")