Meaning: a unit of length equal to one billionth of a meter

Part of speech: noun

Example: The wavelength of light is measured in nanometres.

Category: Science › Measurement

Meaning: one billionth of a second

Part of speech: noun

Example: The computer processes data in nanoseconds.

Category: Science › Time

Meaning: flavored or aged in oak barrels

Part of speech: adjective

Example: The wine is oaked for a richer taste.

Category: Food & Drink › Wine

Synonyms: barrel-aged

Meaning: made of oak wood

Part of speech: adjective

Example: The oaken table is very sturdy.

Category: Arts › Furniture

Synonyms: oak

Meaning: a device that holds an oar in place

Part of speech: noun

Example: The oarlock kept the oar secure while rowing.

Category: Sports › Rowing

Synonyms: oar holder

Meaning: a tall, four-sided monument

Part of speech: noun

Example: The obelisk stood proudly in the square.

Category: Arts › Architecture

Synonyms: monument

Meaning: a wide sash worn with a kimono

Part of speech: noun

Example: She tied her obi around her waist.

Category: Fashion › Clothing

Synonyms: sash

Meaning: something that is offensive or unacceptable

Part of speech: adjective

Example: The comments were deemed objectionable.

Category: Society › Behavior

Synonyms:

• offensive
• unacceptable

Antonyms:

• acceptable
• agreeable

Meaning: not influenced by personal feelings

Part of speech: adjective

Example: The report should be objective and factual.

Category: Language › Communication

Synonyms:

• impartial
• neutral

Antonyms:

• subjective
• biased

Meaning: a person who expresses disagreement

Part of speech: noun

Example: The objector voiced concerns about the plan.

Category: Politics › Activism

Synonyms:

• protester
• dissenter

Meaning: not straightforward or direct

Part of speech: adjective

Example: He gave an oblique answer to the question.

Category: Language › Communication

Synonyms:

• indirect
• slanting

Antonyms:

• direct
• straightforward

Meaning: a type of musical instrument, the oboe

Part of speech: noun

Example: He plays the obo in the orchestra.

Category: Arts › Music

Synonyms: oboe

Meaning: a person who plays the oboe

Part of speech: noun

Example: The oboist performed beautifully at the concert.

Category: Arts › Music

Synonyms: obo player

Meaning: Political Action Committee

Part of speech: noun

Example: The PAC raised funds for the campaign.

Category: Politics

Meaning: a player in the game Pac-Man

Part of speech: noun

Example: The paceman navigated the maze to collect pellets.

Category: Games

Meaning: a person or thing that sets a standard

Part of speech: noun

Example: The company is a pacesetter in technology innovation.

Category: Business

Synonyms: trendsetter

Meaning: a Japanese gambling game similar to pinball

Part of speech: noun

Example: He enjoys playing pachinko at the arcade.

Category: Games

Meaning: a large, thick-skinned animal like an elephant

Part of speech: noun

Example: The pachyderm wandered through the savannah.

Category: Nature › Animals

Synonyms:

• elephant
• rhino

Meaning: peaceful in character

Part of speech: adjective

Example: She has a pacific demeanor.

Category: Nature

Synonyms:

• peaceful
• calm

Antonyms: aggressive

Meaning: the time zone for the west coast of the USA during daylight saving time

Part of speech: noun

Example: The meeting is scheduled for 3 PM Pacific Daylight Time.

Category: Time

Meaning: the time zone for the west coast of the USA when daylight saving time is not in effect

Part of speech: noun

Example: The event starts at 6 PM Pacific Standard Time.

Category: Time

Meaning: the time zone that includes Pacific Standard Time and Pacific Daylight Time

Part of speech: noun

Example: I live in the Pacific Time zone.

Category: Time

Meaning: a repetitive task or routine

Part of speech: noun

Example: The daily pack drill became boring after a while.

Category: Work

Synonyms: routine

Meaning: a large area of floating ice

Part of speech: noun

Example: The ship navigated through the pack ice.

Category: Nature

Synonyms: ice floe

Meaning: a person who collects and keeps unnecessary items

Part of speech: noun

Example: He's a pack rat who never throws anything away.

Category: Psychology

Synonyms: hoarder

Meaning: a boat powered by paddle wheels

Part of speech: noun

Example: The paddle steamer glided across the river.

Category: Transportation

Synonyms: paddle boat

Meaning: a police vehicle for transporting prisoners

Part of speech: noun

Example: The suspect was taken away in a paddy wagon.

Category: Law

Synonyms: police van

Meaning: the countries bordering the Pacific Ocean

Part of speech: noun

Example: Trade agreements are often made within the Pacific Rim.

Category: Geography

Synonyms: Pacific Basin

Meaning: the practice of pretending to be a doctor

Part of speech: noun

Example: Quackery can lead to serious health risks.

Category: Medicine › Fraud

Meaning: having four angles or corners

Part of speech: adjective

Example: The quadrangular shape of the building is unique.

Category: Geometry

Meaning: relating to a four-channel sound system

Part of speech: adjective

Example: The quadraphonic sound system enhances the listening experience.

Category: Technology › Audio

Meaning: meaning four

Part of speech: prefix

Example: The term 'quadrilateral' uses the prefix quadri-.

Category: Language › Prefixes

Meaning: a dance for four couples

Part of speech: noun

Example: They performed a quadrille at the ball.

Category: Arts › Dance

Meaning: relating to a four-channel audio system

Part of speech: adjective

Example: The quadrophonic setup provides immersive sound.

Category: Technology › Audio

Meaning: to drink deeply

Part of speech: verb

Example: He quaffed his drink in one go.

Category: Food & Drink › Beverages

Synonyms: gulp

Meaning: a difficult or precarious situation

Part of speech: noun

Example: He found himself in a quagmire of debt.

Category: General › Situations

Synonyms: predicament

Meaning: a member of the Religious Society of Friends

Part of speech: noun

Example: The Quaker community values peace and simplicity.

Category: Religion › Christianity

Meaning: relating to the quality of something

Part of speech: adjective

Example: The study focused on qualitative research methods.

Category: Research › Methods

Meaning: a feeling of unease or doubt

Part of speech: noun

Example: She had a qualm about the decision.

Category: Emotions › Doubt

Synonyms: misgiving

Meaning: a state of uncertainty or perplexity

Part of speech: noun

Example: He was in a quandary about which job to take.

Category: General › Situations

Synonyms: dilemma