Meaning: relating to a polynomial of degree two

Part of speech: adjective

Example: The quadratic equation can be solved using the quadratic formula.

Category: Mathematics › Algebra

Meaning: a group of muscles in the thigh

Part of speech: noun

Example: Squats help strengthen the quadriceps.

Category: Health › Anatomy

Meaning: an animal with four legs

Part of speech: noun

Example: Dogs and cats are both quadrupeds.

Category: Biology › Zoology

Meaning: to increase fourfold

Part of speech: verb

Example: The company plans to quadruple its profits this year.

Category: Business › Finance

Meaning: one of four offspring born at the same time

Part of speech: noun

Example: They welcomed quadruplets into their family.

Category: Family › Birth

Meaning: charmingly unusual or old-fashioned

Part of speech: adjective

Example: The quaint village attracted many tourists.

Category: Arts › Design

Synonyms: charming

Antonyms: modern

Meaning: to shake or tremble

Part of speech: verb

Example: The ground began to quake during the earthquake.

Category: Nature › Geology

Synonyms: tremble

Meaning: a skill or quality needed for a job

Part of speech: noun

Example: She has the necessary qualifications for the position.

Category: Education › Qualifications

Synonyms: credential

Meaning: having the necessary skills or knowledge

Part of speech: adjective

Example: He is a qualified teacher with years of experience.

Category: Education › Qualifications

Synonyms: certified

Antonyms: unqualified

Meaning: a person or thing that qualifies

Part of speech: noun

Example: She is a qualifier for the national championship.

Category: Sports › Competitions

Meaning: to meet the necessary standards

Part of speech: verb

Example: He hopes to qualify for the finals.

Category: Education › Qualifications

Synonyms: meet the criteria

Meaning: a way to ensure products meet standards

Part of speech: noun

Example: Quality assurance is vital in manufacturing.

Category: Business › Quality Management

Meaning: the process of maintaining standards

Part of speech: noun

Example: Quality control helps prevent defects.

Category: Business › Quality Management

Meaning: a reputable and reliable newspaper

Part of speech: noun

Example: He prefers reading a quality newspaper for accurate news.

Category: Media › Journalism

Meaning: a word or phrase that indicates quantity

Part of speech: noun

Example: Words like 'some' and 'many' are quantifiers.

Category: Language › Grammar

Meaning: a period of isolation to prevent disease spread

Part of speech: noun

Example: The travelers were placed in quarantine after exposure to the virus.

Category: Health › Infectious Diseases

Synonyms: isolation

Meaning: an angry dispute or argument

Part of speech: noun

Example: They had a quarrel over the last piece of cake.

Category: General › Conflict

Synonyms: argument

Meaning: a place where stone or minerals are extracted

Part of speech: noun

Example: The workers operated in the quarry all day.

Category: Geology › Mining

Synonyms: mine

Meaning: a type of unglazed ceramic tile

Part of speech: noun

Example: The kitchen floor was covered with quarry tile.

Category: Construction › Materials

Meaning: a breed of horse known for sprinting short distances

Part of speech: noun

Example: The Quarter Horse is popular in rodeos.

Category: Animals › Breeds

Meaning: a musical note that lasts for one-fourth of a measure

Part of speech: noun

Example: The song has a steady rhythm of quarter notes.

Category: Music › Notation

Meaning: a match that determines who advances to the semi-finals

Part of speech: noun

Example: The team won their quarter-final match.

Category: Sports › Competitions

Meaning: occurring every three months

Part of speech: adjective

Example: The company holds quarterly meetings.

Category: Business › Meetings

Meaning: a group of four musicians or singers

Part of speech: noun

Example: The quartet performed beautifully at the concert.

Category: Music › Ensembles

Synonyms: group

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