There is a total of 31390 clues beginning with on
- One inch = one foot, eg
- One inch, in France
- One inclined to disagree
- One inclined to exclusiveness
- One inclined to fight
- One inclined to go in and out
- One inclined to patronize a farmer's market
- One includes "My cup runneth over" in the Bible
- One includes a ZIP code
- One includes two cups
- One indifferent to pleasure or pain
- One indifferently out of a number
- One indignity too many
- One indulging in a sulk
- One indulging in reverie
- One industry above the rest?
- One ineligible for parole, probably
- One inept on the links
- One inflicting heavy blows
- One inhuman resources^HIRE
- One inning
- One inning?
- One inside another
- One insistent on perfection
- One inspired by Calliope
- One inspired by Erato
- One inspiring love of poetry?
- One instance of 33 Down
- One instructed
- One instrumental in history?
- One instrumental in music history?
- One intentionally not present
- One interest of 53 Across
- One interested in bull-dozing?
- One interested in current affairs?
- One interested in interest
- One interested in net savings?
- One interested in possessions
- One interested in spreads
- One interested in the news
- One interning
- One interpreted by an augur
- One interpreting lines
- One interred in Red Square
- One interrogated
- One intimately involved with the spirit world?
- One into collecting
- One into fine cuisine, informally
- One into human resources
- One into jive
- One into Middle Age-style bondage
- One into modeling at school
- One into pain management?
- One into sniggling
- One into the bar scene?: Abbr
- One intolerant of deviation
- One inundated with fan mail
- One invested in ministry
- One invoked against snakes, for short
- One invoked during a drought
- One involved in a dispute
- One involved in a face-off
- One involved in a faceoff
- One involved in a memorable "bubble"
- One involved in a pantry raid
- One involved in a pickup
- One involved in a plot?
- One involved in a prison uprising
- One involved in a pyramid scheme?
- One involved in a speculative "bubble"
- One involved in a sting
- One involved in a sweeping gesture?
- One involved in a tie-up
- One involved in a travel holdup
- One involved in an exchange
- One involved in arm-twisting?
- One involved in batting
- One involved in bowling balls
- One involved in canine care (abbr)
- One involved in class action?
- One involved in foreign exchange?
- One involved in future deals?
- One involved in globe trotting?
- One involved in hand-to-hand combat?
- One involved in hearing cases?
- One involved in horseplay?
- One involved in job cuts?
- One involved in litigation
- One involved in mass production?
- One involved in match play?
- One involved in monkey business?
- One involved in multiple problems?
- One involved in record-keeping, informally
- One involved in timber production
- One involved with a grand opening?
- One involved with an operation
- One involved with drilling: Abbr
- One involved with proofs
- One involved with rackets
- One involved with tickets and bookings