TOEFL Vocabulary Words — Letter “I”

There is no guarantee that the words you see here will actually be in Questions or Reading Passages that you experience in The TOEFL Exam.  But they are all part of The 3000 Most Used Words In The English Language — and they are all of a level of English which you will be expected to know if you enter an English-Speaking University.

Functional Vocabulary — Word-Transformation Vocabulary — Level-Testing Vocabulary

Clicking On The Word Will Take You To The Entry In The Pronunciation Portal.  On That Page, There Will Be More Information To Learn — Not-Only The Pronunciation, But — The Meaning & Usage Of The Word.

IaIbIcIdIeIfIgIhIiIjIkIlIm

InIoIpIqIrIsItIuIvIwIxIyIz

Ia

Ib

Ic

Ice

Id

Ideal

Ideology

Idealistic

Idiom

Identify

Idiot

Identity

Idolize

Ie

If

If

Ig

Ignorance

Ignorant

Ignore

Ih

Ii

I

Ij

Ik

Il

Ill

Illustration

Illegal

Illness

Im

Image

Imagine

Immersion

Impact [verb]

Implementation

Import [verb]

Impossible

Impressive

Impulse

Imaginary

Imitate

Immoral

Impatience

Implication

Importance

Impress

Impromptu

Impulsive

Imagination

Immediately

Immune

Impatient

Imply

Important

Impressed

Improve

Imaginative

Immerse

Impact [noun]

Implement

Import [noun]

Impose

Impression

Improvement

In

In

Inc.

Include

Inconvenience

Increasing

Independent

Indicate

Individual

Indoor

Inductive

Industry

Inescapable

Infantile

Infectious

Inflict

Informal

Inhabitant

Inherited

Initiative

Inlet

Innovate

Inseparable

Inside

Inspired

Instant

Institution

Instrument

Integral

Intellectual

Intent

Interest

Interior

International

Interpret

Intersect

Intervening

Intimidating

Intransigence

Intro

Intrusive

Invention

Investigate

Invitation

Involved

Inability

Incentive

Including

Incorporate

Increasingly

Index

Indication

Individuality

Indoors

Industrial

Ineffective

Inevitable

Infect

Infer

Influence

Information

Inherent

Initial

Injure

Innate

Innovation

Insert [noun]

Insight

Inspiring

Instead

Institutionalized

Insult

Integrate

Intelligence

Intention

Interested

Intermediate

Internet

Interpretation

Intersection

Interview

Into

Intrigue

Introduce

Intuit

Inventor

Investigation

Invite

Involvement

Inadequate

Inch

Income

Incorporated

Indeed

India

Indicator

Indonesia

Induce

Industrial

Inefficient

Inexpensive

Infected

Inference

Influenced

Infrastructure

Inherit

Initially

Injury

Inner

Innovative

Insert [verb]

Insist

Install

Instigate

Instruct

Insulting

Integrated

Intelligent

Interact

Interesting

Intern

Internship

Interrupt

Intertwined

Interviewee

Intonation

Intriguing

Introduced

Intuition

Inventory

Investment

Invoices

Inappropriate

Incident

Inconvenience

Increase

Independence

Indian

Indirect

Indonesian

Induction

Industrialization

Inequality

Infant

Infection

Infinitive

Inform

Ingredient

Inheritance

Initiate

Ink

Innocent

Insect

Insertion

Inspiration

Instance

Institute

Instruction

Insurance

Integrity

Intend

Interactive

Interfere

Internal

Interpersonal

Interruption

Interval

Intimate

Intranet

Intrinsic

Introduction

Invent

Invest

Investor

Involve

Io

Ip

Iq

IQ

Ir

Irate

Ironing

Irritated

Iron

Irregularity

Irritating

Ironed

Irrelevant

Ironically

Irritate

Is

Is

Isolating

Islam

Isolation

Island

Issue

Isolated

It

It

Italics

Itself

Italian

Item

Italy

Its

Italicized

It’s

Iu

Iv

Iw

Ix

Iy

Iz

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