- On the ___ (getting better)
- On the ___ (going to pot)
- On the ___ (hiding out)
- On the ___ (honest)
- On the ___ (incensed)
- On the ___ (inoperable)
- On the ___ (kaput)
- On the ___ (languishing)
- On the ___ (like a perp who hasn't been nabbed)
- On the ___ (making an escape)
- On the ___ (no longer clicking)
- On the ___ (no longer friendly)
- On the ___ (not talking to each other)
- On the ___ (not working)
- On the ___ (out to sea)
- On the ___ (postponed)
- On the ___ (precisely)
- On the ___ (preparing for battle)
- On the ___ (recuperating)
- On the ___ (routinely)
- On the ___ (running away)
- On the ___ (secretively)
- On the ___ (secretly)
- On the ___ (sneakily)
- On the ___ (to be considered)
- On the ___ hand ...
- On the ___ of (approaching)
- On the ___ of (close to)
- On the ___ of disaster
- On the ___ of Morning (Angelou poem)
- On the ___ of the moment
- On the ___ of the moment: impulsively
- On the ___ vive
- On the ___ vive (watchful)
- On the ___ wavelength (in accord)
- On the ___ with (hostile toward)
- On the ___ with (not speaking to)
- On the ____ (estranged)
- On the ___: famous
- On the ___: no charge
- On the ___: quarreling
- On the ___.
- On the --- (watchful)
- On the "minnow"
- On the "Queen Mary 2", maybe
- On the 15-Across
- On the 20-Across
- On the 30-Down
- On the 31-Across side
- On the 31st of February
- On the 42-Down
- On the 55-Down
- On the 73-Across, e.g.
- On the A-list
- On the Adriatic
- On the Adriatic, say
- On the Aegean
- On the Aegean, e.g.
- On the Aegean, say
- On the affirmative side
- on the agenda
- On the alert
- On the apex
- On the apex of
- On the Atlantic
- On the Atlantic or Pacific
- On the Atlantic, say
- On the authority of
- On the Azov
- ON the back
- On the back burner, perhaps
- on the back of a horse
- on the back of the current page
- On the back or upper side
- on the back Pat
- On the bad side (of)
- On the Balcony of the ___ Rosada ("Evita" tune)
- On the ball
- On the ball or "off the grid"
- On the ball or on the dot
- On the Baltic capital
- On the Baltic, say
- On the Basis of ___
- On the Basis of ___ (film about Ruth Bader Ginsburg)
- On the Basis of ___ (RBG biopic)
- On the bat's back I do fly speaker
- On the beach
- On the Beach author
- On the Beach author Shute
- On the Beach director
- On the Beach director Stanley
- On the Beach heroine
- On the Beach novelist
- on the beam
- On the Bering
- on the best of terms
- On the best-dressed list
- On the bias
- On the Big Board
- On the Black or Red
- On the blink
- On the block
- On the blue side
- On the blue side, for short
- On the Board
- On the boat
- ON the body surface
- On the border of
- On The Border restaurant offering
- on the bottom
- On the bounding main
- On the bright side
- on the brink
- On the brink of
- On the briny
- On the bulletin board
- on the bum
- on the buns Pat
- On the bus
- On the Bus with ___ Parks (Rita Dove collection)
- On the Bus With Rosa Parks poet Dove
- On the button
- On the calendar
- On the calm side
- On the calm side, at sea
- On the calm side, to a helmsman
- On the calmer side
- On the calmer side of the boat
- On the calmer side of the ship
- On the calmer side, at sea
- On the calmer side, nautically
- On the calmest side, at sea
- On the canvas
- On the canvas for good
- On the canvas, informally
- on the cards
- On the Caribbean
- On the Caribbean, e.g.
- on the Caspian Country
- On the Caspian, e.g.
- On the ceiling
- On the celebes
- on the central plateau
- On the chilly side
- On the clammy side
- On the clock
- On the clothesline
- On the Coast
- On the Coast, maybe
- On the cob servings
- On the cold side
- On the con side
- On the contrary
- On the contrary!
- On the cool side
- On the Coral
- On the couch
- On the court's roster
- On the crest
- On the crest of
- On the dark side
- On the Dead or the Red
- On the deck, perhaps
- On the Decline
- On the decline?
- On the deep
- On the defensive
- On the disabled list
- On the disabled list, perhaps
- On the disabled list, say
- On the distant horizon
- On the docket
- on the dot
- On the Dot follower
- On the double
- On the double, briefly
- On the double, in memos
- On the double, in the O.R.
- On the double, initially
- On the double, poetically
- On the double, when doubled
- On the down side?
- On the down-low
- On the downslide
- On the drink, as a finger is drunk
- On the dull side
- on the edge
- On the edge of one's seat
- On the edge of out of conrol
- on the edge of the land
- On the edge, in a way
- On the expensive side
- On the exterior
- On the facing pg.
- On the FBI's list
- On the fence
- On the fence, for example
- On the ferry
- On the floor above
- On the floor by accident, maybe
- On the Floor singer's nickname
- On the floor, perhaps
- On the foul line, ironically
- On the fringes
- On the fringes, in a way
- On the fritz
- On the Fritz Director
- On the front
- On the front burner
- On the front line
- On the gloomy side
- on the go
- on the go busy
- On the good side of
- on the green Gimme Like a
- on the grill
- On the ground
- ON the ground of (pref.)
- On the ground, in ballet
- On the guest list
- On the half shell bite
- On the heels of
- On the hefty side
- On the high side, as a guess
- On the higher side
- On the highest point of
- On the highest rung
- On the highest shelf
- On the hoof, in diner lingo
- On the hook
- On the hook (for)
- On the hook, legally
- On the horizon
- On the horizon, maybe
- On the horizon, perhaps
- On the house
- On the hunt for
- On the Iberian Peninsula
- on the ice Jump
- On the Indian
- On the injured list
- On the inside of
- on the Irish flag Color
- On the Java
- On the jet
- On the job
- on the job Time
- On the job, for short
- On the job, initially
- On the lam