Meaning: A deceptive trick or strategy, especially in warfare.

Part of speech: noun

Example: The Trojan horse was used to infiltrate the city.

Synonyms:

• deception
• ruse

Meaning: A person who makes inflammatory or off-topic comments online to provoke others.

Part of speech: noun

Example: The troll stirred up arguments in the comments section.

Synonyms:

• provocateur
• giant

Meaning: A tool used in drafting and construction to draw straight lines and right angles.

Part of speech: noun

Example: He used a T-square to ensure the lines were straight.

Category: Technology › Engineering

Synonyms: drafting tool

Meaning: A machine that converts fluid energy into mechanical energy.

Part of speech: noun

Example: The wind turbine generates electricity.

Category: Technology › Engineering

Synonyms: generator

Meaning: A device that increases the power of an engine by forcing in more air.

Part of speech: noun

Example: The car has a turbocharger for better performance.

Category: Technology › Automotive

Synonyms: supercharger

Meaning: A type of jet engine that uses a turbocharger.

Part of speech: noun

Example: The fighter jet is powered by a turbojet engine.

Category: Technology › Aerospace

Synonyms: jet engine

Meaning: An aircraft propulsion system using a turbine to drive a propeller.

Part of speech: noun

Example: The turboprop plane is efficient for short flights.

Category: Technology › Aerospace

Synonyms: propeller-driven aircraft

Meaning: A device for receiving television broadcasts.

Part of speech: noun

Example: We watched a movie on the TV.

Category: Technology › Electronics

Synonyms: television

Meaning: An abbreviation for 'Twitter', a social media platform.

Part of speech: noun

Example: She posted a tweet on TW.

Category: Technology › Social Media

Synonyms: Twitter

Meaning: To make small adjustments or improvements.

Part of speech: verb

Example: She decided to tweak the design before finalizing it.

Category: Technology › Design

Synonyms:

• adjust
• modify

Meaning: A person who posts messages on Twitter.

Part of speech: noun

Example: As a popular tweeter, she has thousands of followers.

Category: Technology › Social Media

Synonyms:

• user
• poster

Meaning: A social media platform for sharing short messages.

Part of speech: noun

Example: She posted a funny tweet on Twitter.

Category: Technology › Social Media

Synonyms:

• social media
• platform

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 strict syntactical superset of JavaScript.

Part of speech: noun

Example: He wrote the application in TypeScript for better type safety.

Category: Technology › Programming

Synonyms: programming language

Meaning: A mechanical or electromechanical device for typing characters.

Part of speech: noun

Example: She wrote her first novel on a typewriter.

Category: Technology › Office Equipment

Synonyms: keyboard

Meaning: a U-shaped pipe used in plumbing

Part of speech: noun

Example: The plumber fixed the U-bend under the sink.

Category: Technology › Plumbing

Meaning: a popular Linux operating system

Part of speech: noun

Example: I installed Ubuntu on my laptop for better performance.

Category: Technology › Operating Systems

Synonyms: Linux

Meaning: abbreviation for 'ultra-high frequency'

Part of speech: abbreviation

Example: UHF signals are used for television broadcasts.

Category: Technology › Telecommunications

Meaning: a range of radio frequencies

Part of speech: noun

Example: UHF is used for television and radio broadcasts.

Category: Technology › Telecommunications

Meaning: very light in weight

Part of speech: adjective

Example: He bought an ultralight backpack for hiking.

Category: Technology › Equipment

Synonyms: lightweight

Antonyms: heavy

Meaning: very short in duration

Part of speech: adjective

Example: Ultrashort laser pulses are used in advanced technology.

Category: Technology › Physics

Synonyms: brief

Meaning: a device used for protection against rain or sun

Part of speech: noun

Example: I took my umbrella because it looked like rain.

Category: Technology › Tools

Synonyms: parasol

Meaning: Not able to be broken; very strong.

Part of speech: adjective

Example: The unbreakable glass is perfect for kids.

Category: Technology › Materials

Synonyms:

• indestructible
• durable

Antonyms:

• breakable
• fragile

Meaning: Not linked or related.

Part of speech: adjective

Example: The two events seemed unconnected at first.

Category: Technology

Synonyms:

• disconnected
• isolated

Antonyms:

• connected
• related

Meaning: To separate or disconnect.

Part of speech: verb

Example: You need to uncouple the two wires.

Category: Technology

Synonyms:

• disconnect
• separate

Antonyms:

• couple
• connect

Meaning: To restore something that has been deleted.

Part of speech: verb

Example: You can undelete the file from the recycle bin.

Category: Technology

Synonyms:

• restore
• recover

Antonyms:

• delete
• remove

Meaning: The supporting structure of a vehicle, especially an aircraft.

Part of speech: noun

Example: The pilot checked the undercarriage before landing.

Category: Technology › Aviation

Synonyms:

• chassis
• frame

Meaning: To remove software from a computer or device.

Part of speech: verb

Example: You can uninstall the app if you no longer need it.

Category: Technology › Software

Synonyms: remove

Antonyms: install

Meaning: A family of multitasking, multiuser operating systems.

Part of speech: noun

Example: Unix is widely used in servers and workstations.

Category: Technology › Operating Systems

Synonyms: operating system

Meaning: referring to fuel that does not contain lead.

Part of speech: adjective

Example: I always use unleaded gasoline for my car.

Category: Technology › Automotive

Synonyms: lead-free

Antonyms: leaded

Meaning: not having a crew or personnel; automated.

Part of speech: adjective

Example: The unmanned drone flew over the landscape.

Category: Technology

Synonyms:

• automated
• robotic

Antonyms:

• manned
• crewed

Meaning: to remove a plug from a socket.

Part of speech: verb

Example: Please unplug the charger when it's not in use.

Category: Technology

Synonyms:

• disconnect
• detach

Antonyms:

• plug in
• connect

Meaning: not connected to a power source; disconnected.

Part of speech: adjective

Example: The unplugged device was safe to handle.

Category: Technology

Synonyms:

• disconnected
• detached

Antonyms:

• plugged
• connected

Meaning: to remove something by turning it counterclockwise

Part of speech: verb

Example: Please unscrew the lid to open the jar.

Category: Technology

Synonyms:

• detach
• remove

Antonyms:

• screw on
• attach

Meaning: not able to be used or repaired

Part of speech: adjective

Example: The equipment was declared unserviceable after the accident.

Category: Technology

Synonyms:

• damaged
• inoperable

Antonyms:

• serviceable
• functional

Meaning: Not having been tested or tried out.

Part of speech: adjective

Example: The new software remains untested in real-world conditions.

Category: Technology

Synonyms:

• untried
• unproven

Antonyms:

• tested
• proven

Meaning: Not able to be used.

Part of speech: adjective

Example: The equipment was deemed unusable after the accident.

Category: Technology

Synonyms:

• inoperable
• nonfunctional

Antonyms:

• usable
• functional

Meaning: Current or modern; not outdated.

Part of speech: adjective

Example: The software is up to date with the latest features.

Category: Technology

Synonyms:

• current
• modern

Antonyms:

• outdated
• old-fashioned

Meaning: To make something more current or up to date.

Part of speech: verb

Example: Please update the software to the latest version.

Category: Technology

Synonyms:

• revise
• refresh

Antonyms:

• neglect
• ignore

Meaning: The process of improving or upgrading something.

Part of speech: noun

Example: The upgradation of the system is necessary for better performance.

Category: Technology

Synonyms:

• improvement
• enhancement

Antonyms:

• downgrade
• decrease