Meaning: To excuse someone from a responsibility or punishment.

Part of speech: phrasal verb

Example: The teacher let him off for being late.

Category: General

Meaning: To become less intense.

Part of speech: phrasal verb

Example: The rain finally let up after hours.

Category: General

Meaning: A disappointment.

Part of speech: noun

Example: The movie was a let-down after all the hype.

Category: General

Meaning: A state of sluggishness or inactivity.

Part of speech: noun

Example: After the long meeting, I felt a wave of lethargy.

Synonyms:

• sluggishness
• drowsiness

Antonyms:

• energy
• vitality

Meaning: The heading at the top of a letter, usually containing the sender's name and address.

Part of speech: noun

Example: The company's letterhead includes its logo.

Category: Business

Synonyms: stationery

Meaning: The art of forming letters and symbols.

Part of speech: noun

Example: The lettering on the sign was beautifully crafted.

Category: Arts

Synonyms:

• inscription
• script

Meaning: A place where a road crosses railway tracks at the same level.

Part of speech: noun

Example: The train stopped at the level crossing.

Category: Transportation

Synonyms: railroad crossing

Meaning: A long bar used to lift or move something.

Part of speech: noun

Example: He used a lever to lift the heavy rock.

Category: Mechanics

Synonyms:

• bar
• handle

Meaning: To communicate and cooperate with others.

Part of speech: verb

Example: She will liaise with the team to ensure success.

Category: Business

Synonyms:

• communicate
• coordinate

Meaning: Communication or cooperation between groups.

Part of speech: noun

Example: He acts as a liaison between the departments.

Category: Business

Synonyms:

• connection
• link

Meaning: Open to new ideas and willing to discard traditional values.

Part of speech: adjective

Example: She has a liberal approach to education.

Category: Politics

Synonyms:

• progressive
• open-minded

Antonyms:

• conservative
• narrow-minded

Meaning: Academic subjects that include humanities, social sciences, and natural sciences.

Part of speech: noun

Example: She studied liberal arts in college.

Category: Education

Synonyms:

• humanities
• arts

Meaning: The state of being free within society from oppressive restrictions.

Part of speech: noun

Example: Liberty is a fundamental human right.

Category: Politics

Synonyms:

• freedom
• independence

Antonyms:

• oppression
• subjugation

Meaning: Small parasitic insects that live on the skin and hair of humans and animals.

Part of speech: noun

Example: The child had lice and needed treatment.

Category: Health

Synonyms: parasites

Meaning: Having received official permission to do something.

Part of speech: adjective

Example: She is a licensed teacher.

Category: Law

Synonyms:

• authorized
• certified

Antonyms:

• unlicensed
• unauthorized

Meaning: Having a lid.

Part of speech: adjective

Example: The lidded container kept the food fresh.

Category: Household

Synonyms: covered

Meaning: A public outdoor swimming pool or beach area.

Part of speech: noun

Example: We spent the day at the lido.

Category: Recreation

Synonyms:

• swimming pool
• beach

Meaning: To spend time relaxing or doing nothing.

Part of speech: verb

Example: On weekends, I like to lie around and read.

Category: Leisure

Synonyms:

• relax
• lounge

Antonyms:

• work
• hustle

Meaning: to be the reason for something

Part of speech: verb phrase

Example: The lack of sleep may lie behind his poor performance.

Category: Language

Meaning: a rank in the military or police

Part of speech: noun

Example: The lieutenant led the squad on the mission.

Category: Military

Synonyms: officer

Meaning: a person who helps others achieve personal goals

Part of speech: noun

Example: She hired a life coach to improve her career.

Category: Education

Synonyms: personal coach

Meaning: the series of stages in the life of an organism

Part of speech: noun

Example: The life cycle of a butterfly includes several stages.

Category: Science › Biology

Synonyms: development cycle

Meaning: the average period a person is expected to live

Part of speech: noun

Example: Life expectancy has increased over the years.

Category: Health

Synonyms: longevity

Meaning: any living organism

Part of speech: noun

Example: Scientists study various life forms on Earth.

Category: Science › Biology

Synonyms: organism

Meaning: the series of events in a person's life

Part of speech: noun

Example: Her life history is filled with achievements.

Category: Arts

Synonyms: biography

Meaning: a contract that pays a sum upon the insured person's death

Part of speech: noun

Example: She purchased life insurance for her family.

Category: Business › Finance

Synonyms: life assurance

Meaning: a device designed to keep a person afloat in water

Part of speech: noun

Example: The life preserver was thrown to the drowning swimmer.

Category: Safety

Synonyms: life ring

Meaning: a small inflatable boat used in emergencies

Part of speech: noun

Example: The crew used the life raft to escape the sinking ship.

Category: Safety

Synonyms: inflatable boat

Meaning: the study of living organisms

Part of speech: noun

Example: She is majoring in life science at university.

Category: Science › Biology

Synonyms: biology

Meaning: potentially causing death

Part of speech: adjective

Example: The injury was life-threatening.

Category: Health

Synonyms: critical

Meaning: extremely important or critical

Part of speech: adjective

Example: The situation was life-and-death.

Category: Health

Synonyms: crucial

Meaning: a buoyant device for saving someone from drowning

Part of speech: noun

Example: He threw a lifebelt to the swimmer in trouble.

Category: Safety

Synonyms: life ring

Meaning: a small boat used for rescue at sea

Part of speech: noun

Example: The lifeboat was deployed during the emergency.

Category: Safety

Synonyms: rescue boat

Meaning: without life; dead

Part of speech: adjective

Example: The plant looked lifeless after the drought.

Category: Nature

Synonyms: dead

Antonyms: alive

Meaning: very realistic or true to life

Part of speech: adjective

Example: The artist created a lifelike sculpture.

Category: Arts

Synonyms: realistic

Meaning: a line used for rescue or support

Part of speech: noun

Example: The lifeline was thrown to the stranded swimmer.

Category: Safety

Synonyms: rescue line

Meaning: lasting for the duration of a person's life

Part of speech: adjective

Example: She has a lifelong passion for music.

Category: Education

Synonyms: enduring

Meaning: designed to save lives

Part of speech: adjective

Example: The life-saving techniques were taught in the course.

Category: Health

Synonyms: rescue

Meaning: the same size as a real person or thing

Part of speech: adjective

Example: The statue is life-size.

Category: Arts

Synonyms: full-scale

Meaning: the same size as a real person or thing

Part of speech: adjective

Example: They created life-sized models for the exhibition.

Category: Arts

Synonyms: full-scale