- in a jiffy
- in a job
- in alarm
- in a lather
- inalienable
- inalienable right
- in alignment
- in a line
- in a little while
- in a lively manner
- in all
- in all but name
- in all conscience
- in all creation
- in all directions
- in alliance
- in all likelihood
- in all manner of ways
- in all probability
- in all quarters
- in all respects
- in all seriousness
- in all sincerity
- in a lower degree
- in a low voice
- inalterable
- in a manner
- in a marked degree
- in a mass
- in ambush
- in a meeting
- in a mess
- in a minute
- in a moment
- inamorata
- inamorato
- in a muddle
- in an awkward position
- in and out
- inane
- inanely
- inaneness
- in a new way
- in a New York minute
- in anger
- inanimate
- in an instance
- in an instant
- inanition
- inanity
- in anticipation
- in anticipation of
- in an uproar
- in a nutshell
- in any case
- in any event
- in any manner
- in any place
- in any respect
- in any way
- in a panic
- in a period
- in a pickle
- in a position to
- in appearance
- in apple-pie order
- inapplicability
- inapplicable
- inapposite
- inappositeness
- inappreciable
- inappreciably
- inappreciative
- inapprehensible
- inapproachable
- inappropriate
- inappropriate behavior
- inappropriately
- inappropriateness
- inappurtenant
- in a predicament
- inapropos
- inapt
- inaptitude
- inaptness
- in a quandary
- inarguable
- in arms
- in a roundabout way
- in a row
- in arrears
- inarticulate
- inarticulateness
- inartificial
- inartistic
- in a rush
- in a rut
- in a satisfactory manner
- in a second
- in a sense
- in a short time
- inasmuch as
- in as much as
- in a spirited manner
- in association with
- in a state
- in a state of nature
- in a stew
- in a superior way
- in a sweat
- in a systematic manner
- in a tight spot
- in a time to come
- in a tizzy
- in a towering rage
- in a trance
- in a trice
- in attendance
- inattention
- inattentive
- inattentively
- inattentiveness
- inaudible
- inaudibly
- inaugural
- inaugurate
- inaugurated
- inauguration
- inauspicious
- in authority
- in a walk
- in awe
- in a while
- in a whisper
- in a wink
- in a word
- in a zone
- in back of
- in bad
- in bad mood
- in bad shape
- in bad taste
- in bee line
- in behalf of
- in bits and pieces
- in black and white
- in bloom
- in blue funk
- inborn
- inborn/inbred
- inborn character
- inborn tendency
- in botheration
- inbound
- inbounds marker
- inbred
- in brief
- in broad daylight
- in brown study
- inbuilt
- in-built
- in bulk
- inc
- in cahoots
- incalculable
- incalculably
- incalescence
- in camera
- incandesce
- incandescence
- incandescent
- incantation
- incapability
- incapable
- incapacious
- incapacitate
- incapacitated
- incapacitation
- incapacity
- incarcerate
- incarcerated
- incarceration
- incarnadine
- incarnate
- incarnated
- incarnation
- in case
- in case that
- incautious
- incautiously
- incautiousness
- incendiarism
- incendiary
- incense
- incensed
- incensement
- incentive
- incentives
- incentivize
- incepted
- inception
- inceptive
- incertitude
- incessant
- incessantly
- incessantness
- incest
- incestuous
- inch
- in chains
- inch along
- in chambers
- in chaos
- in Chapter 11
- in Chapter 13
- in character
- in charge
- inch by inch
- in check
- inching
- inchmeal
- inchoate
- in chorus
- incidence
- incidences
- incident
- incidental
- incidental activity
- incidentally
- incidental mention
- incidental music
- incidental to
- incidents
- incinerate
- incinerated
- incineration
- incinerator
- incipience
- incipiency
- incipient
- incipient flower
- incipiently
- in circulation
- incise
- incised
- incision
- incisive
- incisiveness
- incisor
- incitation
- incite
- incited
- incitement
- incitements
- inciter
- inciting
- incitive
- incivility
- in class by itself
- inclemency
- inclement
- inclination
- inclinations
- inclinatory
- incline
- inclined
- inclined plane
- incline toward
- inclining
- inclose
- in closed meeting
- in close proximity
- in clouds
- in clover
- include
- include as guest
- included
- includes
- including
- including all categories
- including all members
- inclusion
- inclusions
- inclusive
- inclusiveness
- inclusive of
- incog
- incogitable
- incognito
- incognizable
- incognizant
- incoherence
- incoherent
- incoherently
- incohesive
- in cold blood
- in collaboration
- in collar
- in combination
- incombustible
