I

(see aye)

idle

not active; unemployed

idol

someone admired

idyll or idyl

interlude, breathing space; romance, fairy tale

i.e.

(see e.g.)

I'll

(see aisle)

illicit

(see elicit)

illude

(see allude)

illusion

(see allusion)

illusive

(see elusive)

immigrate

(see emigrate)

imply

to indicate without being explicit

infer

to conclude from evidence

in

preposition; inside

inn

small hotel

inc.

abbreviation for incorporated

ink

fluid in pens

incite

to prompt to action

insight

understanding, comprehension

incredible

astonishing

Example: Her gymnastic moves were incredible.

incredulous

skeptical

Example: Citizens are incredulous about the reason for the increase in the price of gas.

ingenious

clever

ingenuous

naive or simple

innocence

to be without guilt

innocents

people who are without guilt

insure

(see assure)

irregardless

no such word exists

regardless

in spite of, without regard

isle

(see aisle)

it's

contraction for it is or it has

Example: It’s for a good cause.

its

possessive pronoun

Example: The cat hurt its paw.