Meaning: a hard mineral composed of silicon and oxygen

Part of speech: noun

Example: Quartz is commonly used in jewelry.

Category: Geology › Minerals

Meaning: A platform lying alongside or projecting into water for loading and unloading ships.

Part of speech: noun

Example: The cargo was unloaded at the quay.

Category: Transportation › Maritime

Synonyms:

• wharf
• dock

Meaning: Strange or unusual.

Part of speech: adjective

Example: He had a queer sense of humor.

Synonyms:

• strange
• unusual

Antonyms:

• normal
• ordinary

Meaning: To satisfy thirst or extinguish a fire.

Part of speech: verb

Example: Water quenched my thirst.

Synonyms:

• satisfy
• extinguish

Antonyms:

• ignite
• arouse

Meaning: A long or arduous search for something.

Part of speech: noun

Example: The quest for knowledge is never-ending.

Category: Adventure

Synonyms:

• search
• pursuit

Meaning: Doubtful or uncertain.

Part of speech: adjective

Example: His motives were questionable.

Category: Evaluation

Synonyms:

• doubtful
• suspect

Antonyms:

• certain
• clear

Meaning: A person who asks questions.

Part of speech: noun

Example: The questioner was eager to learn more.

Category: Communication

Synonyms:

• inquirer
• interrogator

Meaning: The act of asking questions.

Part of speech: verb

Example: Questioning is an important part of learning.

Category: Communication

Synonyms:

• interrogating
• inquiring

Meaning: A set of written questions used for gathering information.

Part of speech: noun

Example: Please fill out the questionnaire after the event.

Category: Research

Synonyms:

• survey
• form

Meaning: A brief or quick activity or event.

Part of speech: noun

Example: Let's have a quick one before we leave.

Category: General

Synonyms:

• short task
• brief activity

Meaning: To make something happen faster.

Part of speech: verb

Example: The new policy will quicken the process.

Category: General

Synonyms:

• accelerate
• hasten

Antonyms:

• delay
• slow

Meaning: Something done quickly or in a short amount of time.

Part of speech: noun

Example: He wrote a quickie report before the meeting.

Category: General

Synonyms:

• short task
• brief

Meaning: The quality of being fast or swift.

Part of speech: noun

Example: His quickness on the field impressed the coach.

Category: General

Synonyms:

• speed
• swiftness

Antonyms:

• slowness
• delay

Meaning: Easily angered or irritable.

Part of speech: adjective

Example: He is known for being quick-tempered.

Category: Personality

Synonyms:

• irritable
• hot-headed

Antonyms:

• calm
• patient

Meaning: The process of sewing together layers of fabric to make a quilt.

Part of speech: noun

Example: She enjoys quilting on weekends.

Category: Arts › Crafts

Synonyms:

• sewing
• crafting

Meaning: A yellow fruit similar to a pear.

Part of speech: noun

Example: I made quince jelly from the fruit.

Category: Food › Fruits

Synonyms: fruit

Meaning: A witty remark or joke.

Part of speech: noun

Example: His quip made everyone laugh.

Category: Communication › Humor

Synonyms:

• joke
• witticism

Meaning: A peculiar or unexpected trait or behavior.

Part of speech: noun

Example: Her quirk of always wearing mismatched socks made her unique.

Category: Arts

Synonyms:

• peculiarity
• trait

Antonyms:

• normality
• conformity

Meaning: A person who gives up easily or does not finish what they start.

Part of speech: noun

Example: He is not a quitter; he always sees his projects through.

Category: General

Synonyms:

• loser
• give-up

Antonyms:

• perseverer
• fighter

Meaning: Expressing puzzlement or curiosity.

Part of speech: adjective

Example: She gave him a quizzical look when he mentioned the surprise.

Category: General

Synonyms:

• puzzled
• curious

Antonyms:

• understanding
• comprehending

Meaning: The minimum number of members required to be present for a meeting to be valid.

Part of speech: noun

Example: We need a quorum to make decisions in this meeting.

Category: Business

Synonyms:

• minimum attendance
• attendance requirement

Meaning: Suitable for being quoted; memorable.

Part of speech: adjective

Example: Her speech was full of quotable phrases.

Category: Arts

Synonyms:

• notable
• memorable

Antonyms:

• forgettable
• ordinary

Meaning: The result of division; a number obtained by dividing one number by another.

Part of speech: noun

Example: In math, the quotient of 10 and 2 is 5.

Category: Mathematics

Synonyms:

• result
• outcome

Meaning: The holy book of Islam.

Part of speech: noun

Example: Muslims read the Quran as a guide for their faith.

Category: Religion

Synonyms:

• Koran
• holy book

Meaning: a viral disease that affects the nervous system

Part of speech: noun

Example: Rabies can be fatal if not treated.

Category: Medicine › Infectious Diseases

Meaning: a person who attends races

Part of speech: noun

Example: The race goer cheered for their favorite horse.

Category: Sports › Horse Racing

Meaning: a horse bred for racing

Part of speech: noun

Example: The race horse won the championship.

Category: Sports › Horse Racing

Synonyms: racer

Meaning: an event where races are held

Part of speech: noun

Example: The race meeting attracted many fans.

Category: Sports › Horse Racing

Meaning: a designated path for racing

Part of speech: noun

Example: The race way was marked clearly.

Category: Sports › Automotive

Meaning: a track for horse racing

Part of speech: noun

Example: The race-course was packed with spectators.

Category: Sports › Horse Racing

Synonyms: racetrack

Meaning: relating to a person's race

Part of speech: adjective

Example: Racial equality is important for society.

Category: Politics

Meaning: prejudice or discrimination against people based on their race

Part of speech: noun

Example: Racism is a serious social issue.

Category: Politics

Synonyms: racial discrimination

Meaning: a facility for playing racquet sports

Part of speech: noun

Example: The racquet hall was busy with players.

Category: Sports › Facilities

Meaning: a system for detecting objects using radio waves

Part of speech: noun

Example: The radar detected the incoming storm.

Category: Technology › Navigation

Meaning: shining or glowing brightly

Part of speech: adjective

Example: She had a radiant smile.

Category: General

Synonyms: bright

Meaning: to emit energy or light

Part of speech: verb

Example: The heater radiates warmth.

Category: Science › Physics

Synonyms: emit

Meaning: energy emitted in the form of waves or particles

Part of speech: noun

Example: Radiation can be harmful in large doses.

Category: Science › Physics

Synonyms: emission

Meaning: a type of button that allows one option to be selected

Part of speech: noun

Example: Click the radio button to choose your preference.

Category: Technology › User Interface

Meaning: emitting radiation

Part of speech: adjective

Example: Radioactive waste must be handled carefully.

Category: Science › Physics

Synonyms: radiating

Meaning: a period of time during which someone takes a break from work

Part of speech: noun

Example: She took a sabbatical to travel and write.

Category: Work