Meaning: A moment of significant change or decision.

Part of speech: noun

Example: The meeting was a turning point in the negotiations.

Category: Events

Synonyms: crucial moment

Meaning: A small tower on a building or a fortified structure.

Part of speech: noun

Example: The castle had a turret overlooking the valley.

Category: Architecture

Synonyms: tower

Meaning: The act of teaching or instructing.

Part of speech: noun

Example: Under her tutelage, he improved significantly.

Category: Education

Synonyms:

• instruction
• guidance

Meaning: Textured vegetable protein used as a meat substitute.

Part of speech: noun

Example: She added TVP to the chili for extra protein.

Category: Food › Meat Alternatives

Synonyms: meat substitute

Meaning: A character from Lewis Carroll's works, often representing foolishness.

Part of speech: noun

Example: Tweedle-dee is always seen arguing with Tweedle-dum.

Category: Literature › Children's Literature

Synonyms:

• fool
• simpleton

Antonyms: genius

Meaning: A character from Lewis Carroll's works, often representing foolishness.

Part of speech: noun

Example: Tweedle-dum and Tweedle-dee are known for their silly arguments.

Category: Literature › Children's Literature

Synonyms:

• fool
• simpleton

Antonyms: genius

Meaning: A musical scale that includes all twelve pitches.

Part of speech: noun

Example: The twelve note scale is fundamental in Western music.

Category: Music

Synonyms: chromatic scale

Meaning: Characterized by small, intricate details.

Part of speech: adjective

Example: The twiddly patterns on the wallpaper were charming.

Category: Arts

Synonyms:

• fiddly
• intricate

Antonyms: simple

Meaning: Dimly lit, as during twilight.

Part of speech: adjective

Example: The twilit room had a mysterious atmosphere.

Category: Nature

Synonyms:

• dim
• gloomy

Antonyms: bright

Meaning: Having two engines, typically used to describe aircraft.

Part of speech: adjective

Example: The twin-engined plane took off smoothly.

Category: Aviation

Synonyms: dual-engine

Meaning: Having both positive and negative consequences.

Part of speech: adjective

Example: The decision was two-edged, bringing both benefits and drawbacks.

Category: Philosophy

Synonyms:

• ambivalent
• dual

Meaning: A play or performance involving two actors.

Part of speech: noun

Example: The two-hander was a hit at the festival.

Category: Arts › Theater

Synonyms:

• duet
• two-person show

Meaning: An engine that completes a power cycle in two strokes of the piston.

Part of speech: noun

Example: The two-stroke engine is common in small motorcycles.

Category: Engineering

Synonyms: engine type

Meaning: A mirror that is transparent on one side and reflective on the other.

Part of speech: noun

Example: The two-way mirror was used for observation.

Category: Technology

Synonyms: one-way mirror

Meaning: A drum-like structure in the body, such as the eardrum.

Part of speech: noun

Example: The tympanum vibrates to transmit sound.

Category: Anatomy

Synonyms: eardrum

Meaning: To repeatedly assign an actor to similar roles.

Part of speech: verb

Example: He was typecast as the villain in many films.

Category: Arts › Theater

Synonyms:

• label
• categorize

Meaning: To represent or embody the typical qualities of something.

Part of speech: verb

Example: His actions typify the spirit of the team.

Category: General

Synonyms:

• represent
• symbolize

Meaning: The study or classification of types.

Part of speech: noun

Example: The typology of plants helps in understanding biodiversity.

Category: Science › Biology

Synonyms: classification

Meaning: A beginner or novice.

Part of speech: noun

Example: As a tyro in cooking, she often burned her meals.

Category: Education › Skills

Synonyms:

• novice
• learner

Antonyms: expert

Meaning: A principal organ of the United Nations responsible for maintaining international peace.

Part of speech: noun

Example: The United Nations Security Council meets regularly to discuss global security.

Category: Politics › International Relations

Meaning: A social class consisting of the wealthy and powerful.

Part of speech: noun

Example: The upper class often has significant influence in society.

Category: Society › Social Class

Synonyms:

• elite
• aristocracy

Antonyms: lower class

Meaning: The upper class or elite of society.

Part of speech: noun

Example: He mingled with the upper crust at the gala.

Category: Society › Social Class

Synonyms:

• elite
• upper class

Meaning: a prefix meaning 'super' or 'extremely'

Part of speech: prefix

Example: He is an uber-cool guy who knows everyone.

Category: Language

Meaning: present everywhere

Part of speech: adjective

Example: Smartphones are ubiquitous in modern society.

Category: Language

Synonyms:

• omnipresent
• universal

Antonyms:

• rare
• uncommon

Meaning: the study of UFOs

Part of speech: noun

Example: Ufology is a popular subject among enthusiasts.

Category: Science › Astronomy

Meaning: not known or recognized.

Part of speech: adjective

Example: The artist was unheard-of before the exhibition.

Category: General

Synonyms:

• unknown
• obscure

Antonyms:

• famous
• well-known

Meaning: to develop an ulcer

Part of speech: verb

Example: The wound may ulcerate if not treated properly.

Category: Medicine › Health

Meaning: existing beyond what is obvious

Part of speech: adjective

Example: He had ulterior motives for helping her.

Category: Language

Synonyms:

• hidden
• concealed

Antonyms:

• obvious
• apparent

Meaning: a full-contact combat sport

Part of speech: noun

Example: Ultimate fighting has gained popularity worldwide.

Category: Sports › Combat Sports

Synonyms: mixed martial arts

Meaning: a final demand or statement of terms

Part of speech: noun

Example: He gave her an ultimatum to choose between him and her job.

Category: Politics

Synonyms:

• final offer
• last chance

Meaning: a prefix meaning 'extreme'

Part of speech: prefix

Example: He is an ultra-enthusiastic fan of the band.

Category: Language

Meaning: very short in duration

Part of speech: adjective

Example: Ultrashort laser pulses are used in advanced technology.

Category: Technology › Physics

Synonyms: brief

Meaning: having a frequency above the range of human hearing

Part of speech: adjective

Example: Ultrasonic waves are used in medical imaging.

Category: Science › Physics

Synonyms: high-frequency

Meaning: a traditional knife used by Inuit women

Part of speech: phrase

Example: She used an ulu late to prepare the fish.

Category: Culture › Tools

Meaning: the navel or belly button

Part of speech: noun

Example: The umbilicus is where the umbilical cord was attached.

Category: Medicine › Anatomy

Synonyms: navel

Meaning: the fully shaded inner region of a shadow

Part of speech: noun

Example: The umbra of the eclipse was visible from the city.

Category: Science › Physics

Synonyms: shadow

Meaning: offense or annoyance

Part of speech: noun

Example: She took umbrage at his rude comments.

Category: Language

Synonyms:

• offense
• resentment

Antonyms:

• pleasure
• delight

Meaning: a diacritical mark indicating a change in vowel sound

Part of speech: noun

Example: The umlaut changes the pronunciation of the letter.

Category: Language › Phonetics

Meaning: without any reduction in intensity

Part of speech: adjective

Example: The storm continued unabated throughout the night.

Category: Language

Synonyms:

• unrelenting
• persistent

Antonyms:

• diminished
• reduced

Meaning: not shortened or condensed

Part of speech: adjective

Example: I prefer to read the unabridged version of the book.

Category: Language

Synonyms:

• complete
• full

Antonyms:

• abridged
• shortened