- in a jiff
- in a split second
- in a mo
- in smithereens
- imitating
- informal dead
- informl ladykiller
- in quandary
- imperturbability
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- in its infancy
- in days gone by
- in a wax
- in fine fetle
- I' am-all-right-Jack
- in the backblocks
- isolationism
- indispose
- inflexibility
- intimidated
- infinite numbers of
- in a snap
- in a trice
- irreconcilable with
- inhibitedness
- ideas
- idiot-proof
- ill-groomed
- ineluctably
- ineptitude
- informal to a T
- in jeopardy
- in a fluster
- impatient to
- iunqualified
- invalidation
- incredibly
- imped
- illogicality
- it goes without saying
- inamorato
- inexperienced unsophisticated
- in bad taste
- in a quandary
- in everyone's interests
- immersed in thought
- it would appear that
- in a world of one's own
- infractor
- in the altogether
- ingredients contents
- ill favour debasement
- inconsiderateness
- intemperately
- issue from
- in times of yore
- incre-dibly
- ill fortune
- iron-handed
- idolatrous
- in the offing
- in the blink of an eye
- in it
- incentivize
- idiolect
- insubstan-tial
- incorporate into
- insensitivity
- in a frenzy
- itching
- immaculateness
- impssible
- inamorata
- ill-behaved
- in a shambles
- iniquitous
- in a sweat
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- in the booay
- informal bitchy
- impractical-ble
- informal outside of
- inter-mittently
- in a tick
- inconse-quential
- in rapport
- illustrious pre-eminent
- in cold storage
- iron-willed
- in excellent shape
- in plain English
- irrepressibility
- in seventh heven
- immobility
- insalubrity
- integrate into
- in the middle of nowhere
- ingratiate oneself with
- in sackcloth and ashes
- idolized