Meaning: Unwilling or reluctant to do something.

Part of speech: adjective

Example: She was loath to admit her mistake.

Category: Language

Synonyms: reluctant

Antonyms: eager

Meaning: A strong feeling of dislike or disgust.

Part of speech: noun

Example: Her loathing for injustice motivated her activism.

Category: Emotion

Synonyms: hatred

Antonyms: love

Meaning: Causing hatred or disgust.

Part of speech: adjective

Example: The loathsome behavior was condemned by everyone.

Category: Emotion

Synonyms: detestable

Antonyms: pleasant

Meaning: A surgical operation involving incision into the prefrontal lobe of the brain, historically used to treat mental illness.

Part of speech: noun

Example: Lobotomy was once a common procedure for severe mental disorders.

Category: Medicine › Neurosurgery

Synonyms: surgery

Meaning: Plural of locus; specific points or locations.

Part of speech: noun

Example: The loci of the points were marked on the map.

Category: Mathematics

Synonyms: locations

Meaning: The ability to move from one place to another.

Part of speech: noun

Example: Locomotion is essential for animals to find food.

Category: Biology

Synonyms: movement

Meaning: A specific position or point, often used in mathematics or science.

Part of speech: noun

Example: The locus of points forms a circle.

Category: Mathematics

Synonyms: location

Meaning: A mathematical function that determines the power to which a number must be raised to obtain another number.

Part of speech: noun

Example: Logarithms are used in many scientific calculations.

Category: Mathematics

Synonyms: math function

Meaning: A state of disagreement or conflict.

Part of speech: noun

Example: The two parties were at loggerheads over the new policy.

Category: Politics

Synonyms: disagreement

Antonyms: agreement

Meaning: A piece of malicious code that triggers an action when certain conditions are met.

Part of speech: noun

Example: The hacker planted a logic bomb in the software.

Category: Cybersecurity

Synonyms: malware

Meaning: A suffix used to form adjectives indicating a relation to logic.

Part of speech: suffix

Example: Biological relates to the study of life.

Category: Grammar

Meaning: A person skilled in logic or reasoning.

Part of speech: noun

Example: The logician presented a compelling argument.

Category: Philosophy

Synonyms: reasoner

Meaning: A suffix used to form nouns indicating a person who specializes in a field of study.

Part of speech: suffix

Example: Biologist refers to someone who studies biology.

Category: Grammar

Meaning: very talkative

Part of speech: adjective

Example: She is a loquacious person who loves to chat.

Category: General

Synonyms:

• talkative
• garrulous

Antonyms:

• silent
• reserved

Meaning: the rank or authority of a lord

Part of speech: noun

Example: He was granted lordship over the lands.

Category: Politics › Nobility

Synonyms:

• nobility
• authority

Antonyms:

• subordination
• inferiority

Meaning: a product sold at a loss to attract customers

Part of speech: noun

Example: The store used a loss leader to draw in shoppers.

Category: Business › Marketing

Synonyms:

• bargain
• promotional item

Meaning: a person who feels lonely or disconnected

Part of speech: noun

Example: He was a lost soul searching for meaning in life.

Category: General

Synonyms:

• lonely person
• wanderer

Antonyms:

• socialite
• connected person

Meaning: reluctant or unwilling

Part of speech: adjective

Example: She was loth to leave her friends behind.

Category: General

Synonyms:

• reluctant
• unwilling

Antonyms:

• eager
• willing

Meaning: disreputable or of questionable taste

Part of speech: adjective

Example: His louche behavior raised eyebrows at the party.

Category: General

Synonyms:

• disreputable
• shady

Antonyms:

• respectable
• decent

Meaning: an uncouth or aggressive man

Part of speech: noun

Example: He acted like a lout at the party.

Category: General

Synonyms:

• boor
• oaf

Antonyms:

• gentleman
• refined person

Meaning: behaving in a rude or aggressive way

Part of speech: adjective

Example: His loutish behavior embarrassed his friends.

Category: General

Synonyms:

• boorish
• uncouth

Antonyms:

• refined
• cultured

Meaning: a type of window covering that allows light in while blocking direct sunlight

Part of speech: noun

Example: The louvre windows kept the room bright without overheating.

Category: Architecture › Windows

Synonyms:

• shutter
• blind

Meaning: a person who is unfaithful in a romantic relationship

Part of speech: noun

Example: He was labeled a love rat after cheating on his partner.

Category: General › Romance

Synonyms:

• cheater
• betrayer

Antonyms:

• faithful partner
• loyalist

Meaning: a romantic relationship involving three people

Part of speech: noun

Example: The movie revolves around a complicated love triangle.

Category: General › Romance

Synonyms:

• romantic entanglement
• triangular relationship

Meaning: a relationship characterized by both love and hate

Part of speech: noun

Example: They have a love-hate relationship; they argue often but care for each other.

Category: General › Relationships

Synonyms:

• complex relationship
• ambivalent relationship

Meaning: the act of engaging in sexual activity

Part of speech: noun

Example: They enjoyed a night of passionate lovemaking.

Category: General › Sexuality

Synonyms:

• intimacy
• sexual activity

Antonyms:

• abstinence
• celibacy

Meaning: deeply affected by love

Part of speech: adjective

Example: The love-stricken couple couldn't stop smiling.

Category: General

Synonyms:

• infatuated
• smitten

Antonyms:

• indifferent
• unmoved

Meaning: excessively affectionate

Part of speech: adjective

Example: They were so lovey-dovey that it made others uncomfortable.

Category: General

Synonyms:

• affectionate
• sentimental

Antonyms:

• cold
• distant

Meaning: a person who is considered morally low or disreputable

Part of speech: noun

Example: He was known as a low life in the community.

Category: General

Synonyms:

• scoundrel
• rascal

Antonyms:

• upstanding citizen
• hero

Meaning: not highly intellectual or cultured

Part of speech: adjective

Example: He prefers lowbrow entertainment like reality TV.

Category: Arts › Entertainment

Synonyms:

• unsophisticated
• vulgar

Antonyms:

• cultured
• refined

Meaning: dishonest or deceitful

Part of speech: adjective

Example: He has a low-down way of doing business.

Category: General

Synonyms:

• dishonest
• deceitful

Antonyms:

• honest
• trustworthy

Meaning: the smallest number that can be divided by all numbers in a set

Part of speech: noun

Example: Finding the lowest common denominator is essential in math.

Category: Mathematics › Number Theory

Synonyms:

• greatest common divisor
• lowest common multiple

Meaning: areas of land that are low in elevation

Part of speech: noun

Example: The lowlands are prone to flooding.

Category: Geography › Landforms

Synonyms:

• flatlands
• low-lying areas

Antonyms:

• highlands
• uplands

Meaning: A powerful hallucinogenic drug.

Part of speech: noun

Example: LSD can cause intense psychological effects.

Category: Medicine › Psychoactive Substances

Synonyms:

• acid
• lysergic acid diethylamide

Meaning: A person opposed to new technology or innovation.

Part of speech: noun

Example: He was labeled a luddite for resisting change.

Category: Technology

Synonyms:

• anti-technologist
• traditionalist

Antonyms:

• innovator
• early adopter

Meaning: Looking or sounding sad and dismal.

Part of speech: adjective

Example: His lugubrious expression worried me.

Category: General

Synonyms:

• mournful
• sorrowful

Antonyms:

• cheerful
• joyful

Meaning: A person who inspires or influences others, especially in a particular field.

Part of speech: noun

Example: She is a luminary in the field of science.

Category: Arts

Synonyms:

• influencer
• leader

Meaning: The emission of light by a substance that has not been heated.

Part of speech: noun

Example: The luminescence of the jellyfish was mesmerizing.

Category: Science › Physics

Synonyms:

• glow
• shine

Meaning: The intrinsic brightness of a celestial object.

Part of speech: noun

Example: The star's luminosity was measured by astronomers.

Category: Science › Astronomy

Synonyms:

• brightness
• radiance

Meaning: Surgical removal of a lump, especially in breast tissue.

Part of speech: noun

Example: She underwent a lumpectomy to remove the tumor.

Category: Medicine › Surgery

Synonyms:

• surgery
• operation