- in one's prime
- in one's right mind
- in one's skin
- in operation
- in opposition
- in opposition to
- in order
- in order that
- in order to
- in order to avoid
- in order to get
- in other respects
- in other words
- in pain
- in parenthesis
- in part
- in particles
- in particular
- in partnership
- in parts
- in passage
- in passing
- in peril
- in period style
- in perpetuity
- in perpetuum
- in person
- in pieces
- in place
- in place of
- in plain English
- in plain sight
- in play
- in point of fact
- in poor condition
- in poor health
- in poor taste
- in position
- in practice
- in preference
- in preference to
- in preparation
- in prison
- in privacy
- in private
- in process
- in profusion
- in progress
- in proportion
- in prospect
- in public
- in public interest
- in pursuance of
- in pursuit
- in quantity
- in question
- in quick succession
- in rags
- in rapport
- in re
- in reach
- in readiness
- in reality
- in reason
- in receivership
- in recent past
- in recent times
- in reference to
- in regard to
- in related manner
- in relation to
- in remembrance
- in repair
- in repose
- in reprisal
- in reserve
- in respect to
- in retaliation
- in retirement
- in reverse
- in right mind
- in ruins
- in rut
- in sadness
- in safety
- in search of
- in second childhood
- in secret
- in secret meeting
- in self-defense
- in sequence
- in service
- in seventh heaven
- in shape
- in short
- in short order
- in short supply
- in shreds
- in sight
- in silence
- in sinu Abraham
- in situ
- in small doses
- in smithereens
- in snatches
- in soft tones
- in solitary
- in solution
- in some measure
- in some such way
- in some way
- in some ways
- in someone else's possession
- in sorrow
- in space
- in spades
- in specie
- in spite of
- in spite of all
- in spite of appearance
- in spite of everything
- in spite of that
- in spitting distance
- in spotlight
- in stages
- in step
- in stock
- in store
- in straight line
- in strict confidence
- in style
- in substance
- in succession
- in such a way
- in such a way that
- in such manner
- in such wise
- in suffering
- in sum
- in support of
- in suspense
- in sympathy with
- in sync
- in sync with
- in tandem
- in tatters
- in tears
- in tempo
- in terror
- in that
- in that event
- in that matter
- in that respect
- in the Christian Era
- in the Common Era
- in the abstract
- in the act of
- in the aftermath
- in the air
- in the altogether
- in the background
- in the bag
- in the balance
- in the ball park
- in the ballpark
- in the beginning
- in the black
- in the blood
- in the boonies
- in the bosom
- in the bud
- in the buff
- in the cards
- in the case that
- in the center
- in the character of
- in the class of
- in the clear
- in the clouds
- in the company of
- in the course of
- in the course of time
- in the dark
- in the direction of
- in the direction of through to
- in the distance
- in the doghouse
- in the doldrums
- in the driver's seat
- in the dumps
- in the eleventh hour
- in the end
- in the event
- in the face of
- in the family
- in the family way
- in the fast lane
- in the field
- in the first place
- in the flesh
- in the forefront
- in the foreground
- in the future
- in the genes
- in the grain
- in the grave
- in the gravy
- in the groove
- in the gut
- in the gutter
- in the habit
- in the habit of
- in the heart of
- in the hole
- in the hunt
- in the interest of
- in the interim
- in the interval
- in the intervening time
- in the know
- in the laboratory
- in the lap of luxury
- in the latest style
- in the lead
- in the limelight
- in the line of fire
- in the long run
- in the lurch
- in the main
- in the mainstream
- in the majority
- in the making
- in the manner of
- in the manner that
- in the market
- in the mass
- in the matter of
- in the meantime
- in the meanwhile
- in the middle
- in the middle of
- in the midst of
- in the midst of battle
- in the mind
- in the money
- in the mood
- in the name of
- in the neighborhood
- in the neighborhood of
- in the news
- in the nick of time
- in the night
- in the offing
- in the old days
- in the olden days
- in the open
- in the open air
- in the ozone
- in the past
- in the picture
- in the pink
- in the pits
- in the poorhouse
- in the power of
- in the process of
- in the public eye
- in the raw
- in the rear
- in the recesses
- in the red
- in the region of
- in the right mind
- in the rough
- in the running
- in the saddle
- in the same category
- in the same degree
- in the same direction
- in the same manner
- in the same manner with
- in the same way
- in the same words
- in the seam
- in the sequel
- in the shop
- in the sky
- in the soup
- in the stars
- in the sticks
- in the swim
- in the thick of
- in the time
- in the time of
- in the toilet
- in the twilight zone
- in the upper story
- in the vicinity
- in the vicinity of
- in the wake
- in the wake of