Meaning: The ground at the bottom of a river.

Part of speech: noun

Example: Fish swim along the river bed.

Category: Nature › Water

Meaning: A boat designed for use on rivers.

Part of speech: noun

Example: We took a riverboat cruise on the Mississippi.

Category: Transportation › Boats

Meaning: The area of land along the bank of a river.

Part of speech: noun

Example: The riverfront park is a popular spot for families.

Category: Nature › Water

Meaning: The land along the side of a river.

Part of speech: noun

Example: They built a house by the riverside.

Category: Nature › Water

Meaning: A type of fish found in freshwater.

Part of speech: noun

Example: We caught a roach while fishing in the river.

Category: Nature › Fish

Meaning: A driver who takes up more than their share of the road.

Part of speech: noun

Example: That road hog almost caused an accident.

Category: Transportation › Driving

Meaning: Aggressive behavior by drivers in response to other drivers.

Part of speech: noun

Example: Road rage can lead to dangerous situations.

Category: Transportation › Driving

Meaning: A tax paid for the use of roads, usually based on vehicle ownership.

Part of speech: noun

Example: You need to pay your road tax annually.

Category: Government › Taxes

Meaning: An obstruction on a road that prevents vehicles from passing.

Part of speech: noun

Example: There was a roadblock due to construction.

Category: Transportation › Infrastructure

Meaning: A restaurant or bar located on a highway.

Part of speech: noun

Example: We stopped at a roadhouse for dinner.

Category: Food › Dining

Meaning: A person who works for a band or musical group, typically setting up equipment.

Part of speech: noun

Example: The roadie helped set up the stage for the concert.

Category: Arts › Music

Meaning: An animal that has been killed on the road by a vehicle.

Part of speech: noun

Example: We saw roadkill on our drive through the countryside.

Category: Nature › Animals

Meaning: A type of open-top car.

Part of speech: noun

Example: He drove his new roadster along the coast.

Category: Transportation › Vehicles

Meaning: Construction or maintenance work on roads.

Part of speech: noun

Example: The roadworks caused a delay in traffic.

Category: Transportation › Infrastructure

Meaning: to make a loud, deep sound.

Part of speech: verb

Example: The lion began to roar in the distance.

Category: Nature › Animal Sounds

Synonyms:

• bellow
• thunder

Antonyms:

• whisper
• murmur

Meaning: relating to or resembling a robot.

Part of speech: adjective

Example: The robotic arm can perform precise movements.

Category: Technology › Robotics

Synonyms:

• mechanical
• automated

Antonyms:

• human
• natural

Meaning: strong and healthy; vigorous.

Part of speech: adjective

Example: The robust plant thrived in the sunlight.

Category: Science › Biology

Synonyms:

• sturdy
• tough

Antonyms:

• fragile
• weak

Meaning: a genre of popular music that originated in the 1950s.

Part of speech: noun

Example: Rock and roll music is still popular today.

Category: Arts › Music

Synonyms: rock music

Meaning: a person who climbs rocks as a sport or hobby.

Part of speech: noun

Example: The rock climber reached the summit.

Category: Sports › Outdoor Activities

Synonyms:

• climber
• mountaineer

Meaning: the sport of climbing rock formations.

Part of speech: noun

Example: Rock climbing requires strength and skill.

Category: Sports › Outdoor Activities

Synonyms:

• climbing
• mountaineering

Meaning: a garden designed with rocks and alpine plants.

Part of speech: noun

Example: The rock garden was a peaceful retreat.

Category: Nature › Gardening

Synonyms:

• rockery
• stone garden

Meaning: a person who plays rock music or is a fan of it.

Part of speech: noun

Example: He is a rocker who loves to perform on stage.

Category: Arts › Music

Synonyms:

• musician
• performer

Meaning: a style of popular music characterized by a strong beat.

Part of speech: noun

Example: Rocknroll has influenced many other music genres.

Category: Arts › Music

Synonyms: rock music

Meaning: a competitive event that involves riding horses and bulls.

Part of speech: noun

Example: The rodeo was exciting to watch.

Category: Sports › Equestrian Sports

Synonyms:

• competition
• event

Meaning: a person whose behavior is emulated by others.

Part of speech: noun

Example: She is a role model for young athletes.

Category: Education › Personal Development

Synonyms:

• mentor
• example

Antonyms: bad example

Meaning: to act out a particular role in a scenario.

Part of speech: verb

Example: In class, we will role play different situations.

Category: Education › Teaching Methods

Synonyms:

• act out
• simulate

Meaning: to arrive in large numbers or amounts.

Part of speech: verb

Example: The donations began to roll in after the campaign.

Category: Business › Finance

Synonyms:

• arrive
• come in

Antonyms:

• leave
• depart

Meaning: folded or rolled into a compact form.

Part of speech: adjective

Example: He carried a rolled-up newspaper under his arm.

Category: Movement › Action

Synonyms:

• folded
• rolled

Antonyms:

• unfolded
• spread out

Meaning: a type of collar that fits closely around the neck.

Part of speech: noun

Example: He wore a roll-neck sweater.

Category: Fashion › Clothing

Synonyms:

• turtleneck
• high collar

Meaning: Relating to ancient Rome or its culture.

Part of speech: adjective

Example: The roman architecture of the building is impressive.

Category: Arts › History

Synonyms:

• ancient Roman
• classical

Meaning: A member of the Roman Catholic Church, which is the largest Christian church.

Part of speech: noun

Example: She identifies as a roman catholic and attends church every Sunday.

Category: Religion › Christianity

Synonyms: Catholic

Meaning: A numeral system originating from ancient Rome, using letters from the Latin alphabet.

Part of speech: noun

Example: The year 2023 is written as MMXXIII in roman numerals.

Category: Education › Mathematics

Synonyms: Roman number

Meaning: A member of the Romani people, traditionally known for their nomadic lifestyle.

Part of speech: noun

Example: The Romany culture is rich in music and storytelling.

Category: Culture › Ethnicity

Synonyms: Gypsy

Meaning: A romantic man, often used to describe a lover.

Part of speech: noun

Example: He’s such a Romeo, always writing love letters.

Category: Arts › Literature

Synonyms:

• lover
• suitor

Meaning: A garden located on the roof of a building.

Part of speech: noun

Example: The roof garden provides a peaceful escape in the city.

Category: Nature › Gardening

Synonyms: rooftop garden

Meaning: A frame attached to the roof of a vehicle for carrying items.

Part of speech: noun

Example: We used the roof rack to transport our bikes.

Category: Transportation › Vehicles

Synonyms: luggage rack

Meaning: Having a specified type of roof.

Part of speech: adjective

Example: The flat-roofed building is modern and stylish.

Category: Architecture

Synonyms: roofed

Meaning: The materials and methods used for constructing roofs.

Part of speech: noun

Example: Roofing can be expensive depending on the materials used.

Category: Miscellaneous › Trades > Construction

Synonyms: roof construction

Meaning: Having no roof; open to the sky.

Part of speech: adjective

Example: The roofless structure was damaged by the storm.

Category: Architecture

Synonyms: open-air

Antonyms: roofed

Meaning: A type of bird in the crow family, known for its distinctive call.

Part of speech: noun

Example: The rook cawed loudly from the tree.

Category: Nature › Birds

Synonyms:

• crow
• raven