- in love
- in luck
- in medias res
- in mem.
- in memoriam
- in memory of
- in mind
- in name only
- in no case
- in no time
- in no uncertain terms
- in nomine
- in nothing flat
- in omnia paratus
- in on, be
- in one blow
- in one breath
- in one ear and out the other
- in one fell swoop
- in one piece
- in one stroke
- in one's
- in one's behalf
- in one's blood
- in one's book
- in one's cups
- in one's element
- in one's eyes
- in one's favor
- in one's glory
- in one's hands
- in one's heart of hearts
- in one's interest
- in one's mind's eye
- in one's name
- in one's own backyard
- in one's own right
- in one's own world
- in one's pocket
- in one's prime
- in one's right mind
- in one's shell
- in one's tracks
- in one's way
- in orbit
- in order
- in other words
- in over one's head
- in pais
- in pari delicto
- in part
- in particular
- in passing
- in perpetuity
- in perpetuum
- in person
- in personam
- in petto
- in phase
- in place
- in place of
- in plain English
- in plain sight
- in play
- in pocket
- in point
- in posse
- in practice
- in praesenti
- in principio
- in principle
- in print
- in private
- in progress
- in proportion
- in propria persona
- in public
- in quest of
- in question
- in re
- in reach
- in reality
- in reason
- in reference to
- in regard to
- in relation to
- in rem
- in rerum natura
- in reserve
- in residence
- in respect to
- in retrospect
- in return
- in round numbers
- in saecula saeculorum
- in search of
- in season
- in secret
- in seventh heaven
- in shape
- in short
- in short order
- in short supply
- in sight
- in silico
- in single file
- in situ
- in so far as
- in so many words
- in some measure
- in someone's
- in someone's bad graces
- in someone's face
- in someone's good graces
- in someone's hair
- in someone's shoes
- in someone's stead
- in spades
- in specie
- in spite of
- in state
- in statu quo
- in step
- in stitches
- in stock
- in store
- in stride
- in style
- in substance
- in terms of
- in terrorem clause
- in that
- in that case
- in the act
- in the aggregate
- in the air
- in the altogether
- in the back
- in the bag
- in the balance
- in the ballpark
- in the bargain
- in the black
- in the blood
- in the bud
- in the buff
- in the can
- in the cards
- in the care of
- in the case of
- in the chips
- in the circumstances
- in the clear
- in the clouds
- in the cold light of day
- in the course of
- in the dark
- in the dock
- in the doghouse
- in the doldrums
- in the driver's seat
- in the dumps
- in the dust, leave someone
- in the end
- in the event of
- in the eye
- in the eye of
- in the face
- in the face of
- in the family way
- in the final analysis
- in the first place
- in the flesh
- in the flush of
- in the fullness of time
- in the groove
- in the gutter
- in the hands of
- in the heat of
- in the hole
- in the hope
- in the hot seat
- in the interest of
- in the interim
- in the know
- in the lap of luxury
- in the least
- in the limelight
- in the long run
- in the loop
- in the lurch
- in the main
- in the making
- in the market for
- in the middle of
- in the midst
- in the money
- in the mood
- in the mouth
- in the name of
- in the near future
- in the neck
- in the neighborhood of
- in the nick of time
- in the offing
- in the picture, be
- in the pink
- in the pipeline
- in the public eye
- in the raw
- in the red
- in the right, be
- in the rough
- in the round
- in the running
- in the saddle
- in the same boat
- in the same breath
- in the same league
- in the same mold
- in the second place
- in the short run
- in the soup
- in the street
- in the swim
- in the teeth of
- in the throes
- in the twinkling of an eye
- in the unlikely event
- in the wake of
- in the way
- in the wind
- in the wings
- in the works
- in the world
- in the worst way
- in the wrong
- in there pitching
- in thing, the
- in this day and age
- in time
- in token of
- in toto
- in touch, be
- in tow
- in trans.
- in transit
- in transitu
- in trouble with
- in trust
- in tune
- in turn
- in two shakes
- in unison
- in up to
- in utero
- in utero surgery
- in vacuo
- in vain
- in view
- in view of
- in vino veritas
- in vitro
- in vitro fertilization
- in vivo
- in wait
- in waiting
- in with, be
- in your face
- in-
- in-and-in
- in-and-out
- in-and-out bond
- in-and-outer
- in-app
- in-basket
- in-between
- in-betweener
- in-bond shop
- in-built
- in-car
- in-crowd
- in-depth
- in-flight
- in-goal
- in-group
- in-home
- in-house
- in-joke
- in-kind
- in-law
- in-lb
- in-line
- in-line skate
- in-migrant
- in-migrate
- in-ness
- in-off
- in-residence
- in-service