Meaning: The central part of a city, often associated with poverty.

Part of speech: noun

Example: The inner city has many social challenges.

Category: Geography

Synonyms:

• downtown
• city center

Meaning: A rubber tube used for floating on water.

Part of speech: noun

Example: They floated down the river in an inner tube.

Category: Sports

Synonyms:

• float
• tube

Meaning: The plural of inning; multiple divisions of a game.

Part of speech: noun

Example: The team played well in the innings.

Category: Sports

Synonyms:

• turns
• periods

Meaning: The state of being innocent; lack of guilt.

Part of speech: noun

Example: Her innocence was clear to everyone.

Category: Law

Synonyms:

• naivety
• purity

Antonyms:

• guilt
• culpability

Meaning: In a manner that shows innocence.

Part of speech: adverb

Example: She smiled innocently at the accusation.

Category: General

Synonyms:

• naively
• guiltlessly

Antonyms:

• guiltily
• suspiciously

Meaning: To introduce new ideas or methods.

Part of speech: verb

Example: Companies must innovate to stay competitive.

Category: Business

Synonyms:

• create
• invent

Antonyms:

• copy
• imitate

Meaning: The act of introducing new ideas or methods.

Part of speech: noun

Example: Innovation is key to business success.

Category: Business

Synonyms:

• novelty
• invention

Antonyms:

• stagnation
• repetition

Meaning: Featuring new methods or ideas.

Part of speech: adjective

Example: The innovative design won several awards.

Category: Business

Synonyms:

• creative
• original

Antonyms:

• unoriginal
• conventional

Meaning: A person who introduces new ideas or methods.

Part of speech: noun

Example: She is a leading innovator in technology.

Category: Business

Synonyms:

• creator
• pioneer

Antonyms:

• follower
• imitator

Meaning: To introduce a vaccine into the body to produce immunity.

Part of speech: verb

Example: They will inoculate the children against measles.

Category: Medicine

Synonyms:

• vaccinate
• immunize

Antonyms:

• infect
• expose

Meaning: A patient who stays in a hospital while receiving treatment.

Part of speech: noun

Example: The in-patient required surgery.

Category: Medicine

Synonyms:

• hospitalized patient
• resident patient

Antonyms:

• outpatient
• ambulatory patient

Meaning: A device used to enter data into a computer.

Part of speech: noun

Example: A keyboard is an input device.

Category: Technology › Computing

Synonyms:

• data entry device
• input tool

Meaning: A person who asks for information.

Part of speech: noun

Example: The inquirer was looking for details about the event.

Category: General

Synonyms:

• questioner
• asker

Meaning: Showing curiosity or a desire to learn.

Part of speech: adjective

Example: She had an inquiring mind, always asking questions.

Category: Education

Synonyms:

• curious
• questioning

Antonyms:

• indifferent
• uninterested

Meaning: An act of asking for information.

Part of speech: noun

Example: The inquiry revealed new evidence.

Synonyms:

• question
• investigation

Antonyms:

• answer
• response

Meaning: In a state of mind that prevents normal perception, behavior, or social interaction.

Part of speech: adjective

Example: His insane ideas shocked everyone.

Synonyms:

• crazy
• mad

Antonyms:

• sane
• rational

Meaning: To write or carve words on a surface.

Part of speech: verb

Example: They decided to inscribe their names on the trophy.

Category: Arts

Synonyms:

• engrave
• etch

Antonyms:

• erase
• obliterate

Meaning: A chemical used to kill insects.

Part of speech: noun

Example: Farmers often use insecticide to protect their crops.

Category: Agriculture

Synonyms:

• pesticide
• bug spray

Antonyms:

• fertilizer
• herbicide

Meaning: Not confident or assured; uncertain.

Part of speech: adjective

Example: He felt insecure about his abilities.

Synonyms:

• unconfident
• unsafe

Antonyms:

• secure
• confident

Meaning: Lacking sensitivity or compassion.

Part of speech: adjective

Example: His insensitive remarks hurt her feelings.

Category: Psychology

Synonyms:

• unfeeling
• callous

Antonyms:

• sensitive
• compassionate

Meaning: Unable to be separated; closely connected.

Part of speech: adjective

Example: They were inseparable friends since childhood.

Category: Relationships

Synonyms:

• unbreakable
• indivisible

Antonyms:

• separable
• divisible

Meaning: Referring to training or education while employed.

Part of speech: adjective

Example: She attended an in-service training session.

Category: Education

Synonyms:

• on-the-job
• continuing education

Antonyms:

• off-duty
• inactive

Meaning: Located or occurring near the shore.

Part of speech: adjective

Example: The inshore waters are usually calmer.

Category: Nature

Synonyms:

• coastal
• nearshore

Antonyms:

• offshore
• distant

Meaning: A person who has special knowledge or access to a particular organization or situation.

Part of speech: noun

Example: As an insider, she knew all the secrets of the company.

Category: Business

Synonyms:

• member
• insider trader

Antonyms:

• outsider
• stranger

Meaning: Too small or unimportant to be worth consideration.

Part of speech: adjective

Example: The difference in price was insignificant.

Category: Philosophy

Synonyms:

• trivial
• unimportant

Antonyms:

• significant
• important

Meaning: Not expressing genuine feelings; hypocritical.

Part of speech: adjective

Example: His insincere apology did not convince anyone.

Category: Communication

Synonyms:

• hypocritical
• fake

Antonyms:

• sincere
• genuine

Meaning: To demand something forcefully, not accepting refusal.

Part of speech: verb

Example: She insisted on paying for dinner.

Category: Communication

Synonyms:

• demand
• assert

Antonyms:

• yield
• submit

Meaning: Demanding attention or attention to something.

Part of speech: adjective

Example: He was insistent that the meeting start on time.

Category: Communication

Synonyms:

• persistent
• determined

Antonyms:

• indifferent
• yielding

Meaning: The inner sole of a shoe.

Part of speech: noun

Example: He replaced the insole for better comfort.

Category: Fashion

Synonyms:

• inner sole
• footbed

Meaning: The inability to sleep.

Part of speech: noun

Example: She suffers from insomnia and often feels tired.

Category: Health

Synonyms:

• sleeplessness
• restlessness

Antonyms:

• sleep
• rest

Meaning: Short for inspiration or inspector.

Part of speech: noun

Example: The insp of the project was very helpful.

Category: Education

Synonyms:

• inspiration
• inspector

Meaning: A person who inspects something, especially for quality or compliance.

Part of speech: noun

Example: The inspector checked the building for safety.

Category: Education

Synonyms:

• examiner
• assessor

Antonyms:

• overseer
• supervisor

Meaning: The process of being mentally stimulated to do or feel something.

Part of speech: noun

Example: Her travels provided her with inspiration for her art.

Category: Arts

Synonyms:

• motivation
• influence

Antonyms:

• apathy
• indifference

Meaning: Providing or showing creative or spiritual inspiration.

Part of speech: adjective

Example: The speaker gave an inspirational talk.

Category: Arts

Synonyms:

• motivational
• uplifting

Antonyms:

• uninspiring
• discouraging

Meaning: Having the effect of inspiring someone.

Part of speech: adjective

Example: The film was inspiring and moved many viewers.

Category: Arts

Synonyms:

• motivating
• uplifting

Antonyms:

• uninspiring
• discouraging

Meaning: Short for institution or instant.

Part of speech: noun

Example: The inst of technology is very advanced.

Category: Education

Synonyms:

• institution
• instant

Meaning: The act of installing something.

Part of speech: noun

Example: The installation of the new system took several hours.

Category: Technology

Synonyms:

• setup
• establishment

Antonyms:

• removal
• displacement

Meaning: A payment plan where a total amount is paid in smaller, regular amounts over time.

Part of speech: noun

Example: She chose an instalment plan to buy the car.

Category: Finance

Synonyms:

• payment plan
• financing option

Antonyms:

• lump sum
• full payment

Meaning: A television or video replay of a recent event, especially in sports.

Part of speech: noun

Example: The referee reviewed the instant replay to make a decision.

Category: Sports

Synonyms:

• replay
• recap

Meaning: An innate, typically fixed pattern of behavior in animals in response to certain stimuli.

Part of speech: noun

Example: Birds have a strong instinct to migrate.

Category: Biology

Synonyms:

• intuition
• gut feeling

Antonyms:

• reason
• logic