Meaning: Members of the national guard.

Part of speech: noun

Example: The national guards helped during the disaster.

Category: Military

Synonyms: military personnel

Meaning: The health system of a nation.

Part of speech: noun

Example: National health is a priority for the government.

Category: Health

Synonyms: public health

Meaning: A system of social security in the UK.

Part of speech: noun

Example: He pays national insurance contributions every month.

Category: Finance

Synonyms: social security

Meaning: A system where citizens serve in the military or community service.

Part of speech: noun

Example: He completed his national service before starting university.

Category: Military

Synonyms: military service

Meaning: Extending or reaching across a whole nation.

Part of speech: adjective

Example: The campaign was nationwide, affecting all states.

Category: General

Synonyms:

• countrywide
• all over the country

Meaning: A member of the indigenous peoples of the Americas.

Part of speech: noun

Example: Many Native Americans have rich cultural traditions.

Category: Culture › Indigenous Peoples

Synonyms: indigenous American

Meaning: A person who speaks a language as their first language.

Part of speech: noun

Example: She is a native speaker of French.

Category: Language › Linguistics

Synonyms: first language speaker

Meaning: The occasion of a person's birth, especially Jesus Christ's birth.

Part of speech: noun

Example: The nativity scene is a popular Christmas decoration.

Category: Culture › Religious Traditions

Synonyms:

• birth
• origin

Meaning: A play depicting the birth of Jesus Christ.

Part of speech: noun

Example: The children performed a nativity play at school.

Category: Culture › Religious Traditions

Synonyms: Christmas play

Meaning: The North Atlantic Treaty Organization, a military alliance.

Part of speech: noun

Example: NATO was formed to ensure collective defense.

Category: Politics › International Relations

Meaning: To talk casually or at length.

Part of speech: verb

Example: They like to natter over coffee.

Category: General

Synonyms:

• chat
• talk

Meaning: Giving birth without medical intervention.

Part of speech: noun

Example: She opted for natural childbirth to have a more personal experience.

Category: Medicine › Obstetrics

Synonyms: unmedicated birth

Meaning: The study of plants, animals, and the environment.

Part of speech: noun

Example: He is studying natural history at university.

Category: Science › Biology

Synonyms:

• biology
• ecology

Meaning: Materials or substances occurring in nature that can be used for economic gain.

Part of speech: noun

Example: Water is a vital natural resource.

Category: Economics

Synonyms: resource

Meaning: The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Part of speech: noun

Example: Natural selection is a key mechanism of evolution.

Category: Science › Biology

Synonyms: evolutionary process

Meaning: A person who studies or is an expert in natural history.

Part of speech: noun

Example: The naturalist observed the birds in their habitat.

Category: Science › Biology

Synonyms:

• biologist
• ecologist

Meaning: The study of plants, animals, and the environment.

Part of speech: noun

Example: Nature study is often part of the school curriculum.

Category: Education

Synonyms: environmental science

Meaning: A feeling of sickness with an inclination to vomit.

Part of speech: noun

Example: She felt nausea after the roller coaster ride.

Category: Medicine › Symptoms

Synonyms:

• sickness
• queasiness

Meaning: Feeling sick; inclined to vomit.

Part of speech: adjective

Example: He felt nauseous after eating too much.

Category: Medicine › Symptoms

Synonyms:

• sick
• queasy

Meaning: Relating to sailors, ships, or navigation.

Part of speech: adjective

Example: He has a nautical theme in his home decor.

Category: Transportation › Navigation

Synonyms:

• maritime
• naval

Meaning: A unit of measurement used in maritime and air navigation.

Part of speech: noun

Example: The ship traveled 50 nautical miles.

Category: Transportation › Navigation

Synonyms: nautical unit

Meaning: Relating to a navy or navies.

Part of speech: adjective

Example: The naval fleet was deployed for training.

Category: Military

Synonyms:

• maritime
• navy-related

Meaning: The small, central scar on the abdomen; the belly button.

Part of speech: noun

Example: She has a piercing in her navel.

Category: Anatomy

Synonyms: belly button

Meaning: Able to be navigated; suitable for ships or boats.

Part of speech: adjective

Example: The river is navigable during the summer.

Category: Transportation › Navigation

Synonyms:

• passable
• sailable

Antonyms:

• impassable
• unusable

Meaning: The process of planning and directing the course of a ship or vehicle.

Part of speech: noun

Example: Navigation is crucial for safe travel at sea.

Category: Transportation

Synonyms:

• steering
• guidance

Meaning: Relating to navigation.

Part of speech: adjective

Example: The navigational tools were essential for the journey.

Category: Transportation

Synonyms:

• navigating
• steering

Meaning: A person who navigates a ship or aircraft.

Part of speech: noun

Example: The navigator plotted the course for the journey.

Category: Transportation

Synonyms:

• pilot
• steersman

Meaning: A laborer, especially one who works on construction projects.

Part of speech: noun

Example: The navvy worked hard to build the road.

Category: Labor

Synonyms:

• laborer
• worker

Meaning: An abbreviation for 'nota bene', used to draw attention to something important.

Part of speech: abbreviation

Example: NB: Please submit your assignments by Friday.

Category: Education

Meaning: Non-Commissioned Officer, a military officer who has not earned a commission.

Part of speech: abbreviation

Example: The NCO was responsible for training the new recruits.

Category: Military

Meaning: An incident in which a collision or accident almost occurs.

Part of speech: noun

Example: The pilot reported a near miss with another aircraft.

Category: Safety

Synonyms: close call

Meaning: Having difficulty seeing distant objects clearly.

Part of speech: adjective

Example: He is near-sighted and needs glasses for driving.

Category: Health › Vision

Synonyms: myopic

Antonyms: far-sighted

Meaning: As a necessary result; inevitably.

Part of speech: adverb

Example: Not all changes are necessarily good.

Category: General

Synonyms: inevitably

Meaning: A piece of cloth worn around the neck, often for decoration or warmth.

Part of speech: noun

Example: He tied a colorful neckerchief around his neck.

Category: Fashion

Synonyms: bandana

Meaning: Not necessary; superfluous.

Part of speech: adjective

Example: The extra details were needless and confused the reader.

Category: General

Synonyms: unnecessary

Antonyms: essential

Meaning: In need of help or support; impoverished.

Part of speech: adjective

Example: The charity helps needy families in the community.

Category: Social Issues

Synonyms: impoverished

Antonyms: wealthy

Meaning: To fail to care for something properly.

Part of speech: verb

Example: He neglected his responsibilities at work.

Category: General

Synonyms: ignore

Antonyms: attend

Meaning: Open to discussion or modification.

Part of speech: adjective

Example: The price is negotiable if you buy in bulk.

Category: Business

Synonyms: discussable

Antonyms: fixed

Meaning: To discuss something in order to reach an agreement.

Part of speech: verb

Example: They need to negotiate the terms of the contract.

Category: Business

Synonyms: bargain

Antonyms: disagree

Meaning: The process of discussing something to reach an agreement.

Part of speech: noun

Example: Negotiation is key in business deals.

Category: Business

Synonyms: discussion