acute–addled Vocabulary (A Words) – Meanings & Synonyms

acute

HealthB2

Meaning: having a sharp or severe effect

Part of speech: adjective

Example: He felt acute pain in his leg.

Category: Health › Medicine

Synonyms:

sharp
severe

Antonyms: dull

acute accent

LanguageB2

Meaning: a mark used in writing to indicate a specific pronunciation

Part of speech: noun

Example: The word 'café' has an acute accent.

Category: Language › Linguistics

Synonyms: accent mark

acute angle

MathematicsB2

Meaning: an angle that is less than 90 degrees

Part of speech: noun

Example: An acute angle is often found in triangles.

Category: Mathematics › Geometry

Synonyms: sharp angle

acutely

LanguageC1

Meaning: in a sharp or severe manner

Part of speech: adverb

Example: She felt acutely aware of the situation.

Category: Language

Synonyms:

sharply
keenly

-acy

LanguageC2

Meaning: a suffix used to form nouns indicating a state or quality

Part of speech: suffix

Example: The word 'democracy' ends with the suffix -acy.

Category: Language › Morphology

acyclic

MathematicsC2

Meaning: not having a cycle or cycles

Part of speech: adjective

Example: An acyclic graph does not loop back on itself.

Category: Mathematics › Graph Theory

Synonyms: non-cyclic

acyclovir

MedicineC2

Meaning: a medication used to treat viral infections

Part of speech: noun

Example: Acyclovir is often prescribed for herpes.

Category: Medicine › Pharmacology

Synonyms: antiviral

AD

HistoryB2

Meaning: Anno Domini, used to indicate years after the birth of Christ

Part of speech: acronym

Example: The year 2023 AD is in the 21st century.

Category: History › Chronology

ad

HistoryB2

Meaning: Anno Domini, used to indicate years after the birth of Christ

Part of speech: acronym

Example: The year 2023 AD is in the 21st century.

Category: History › Chronology

ad hoc

BusinessC1

Meaning: Created or done for a specific purpose as necessary.

Part of speech: adjective

Example: We formed an ad hoc committee to address the issue.

Category: Business

Synonyms:

temporary
improvised

ad infinitum

PhilosophyC2

Meaning: To infinity; endlessly.

Part of speech: adverb

Example: The discussion went on ad infinitum.

Category: Philosophy

Synonyms: endlessly

ad nauseam

CommunicationC2

Meaning: To a sickening or excessive degree.

Part of speech: adverb

Example: They discussed the topic ad nauseam.

Category: Communication

Synonyms: excessively

ad valorem

BusinessC1

Meaning: Based on the value of the item.

Part of speech: adjective

Example: The tax is calculated on an ad valorem basis.

Category: Business › Finance

Synonyms: value-based

adage

LanguageB2

Meaning: a traditional saying that expresses a common truth

Part of speech: noun

Example: The adage 'time is money' is well known.

Category: Language › Proverbs

Synonyms:

proverb
saying

adagio

ArtsC1

Meaning: a slow tempo in music

Part of speech: noun

Example: The piece was played adagio.

Category: Arts › Music

Synonyms: slow tempo

Adam

ReligionB2

Meaning: the first man created according to the Bible

Part of speech: noun

Example: Adam is a significant figure in many religious texts.

Category: Religion › Biblical Figures

adamant

GeneralC1

Meaning: refusing to be persuaded or to change one's mind

Part of speech: adjective

Example: She was adamant about her decision.

Category: General

Synonyms:

unyielding
inflexible

Antonyms: flexible

adamantine

GeneralC2

Meaning: unbreakable or extremely hard

Part of speech: adjective

Example: The adamantine walls of the fortress were impenetrable.

Category: General

Synonyms:

hard
unyielding

Antonyms: soft

Adams apple

AnatomyB2

Meaning: the prominent part of the thyroid cartilage in the throat

Part of speech: noun

Example: He has a noticeable Adams apple.

Category: Anatomy › Human Body

Synonyms: thyroid cartilage

adapt

GeneralB1

Meaning: to adjust or modify something to fit a new purpose

Part of speech: verb

Example: They had to adapt the plan for the new situation.

Category: General

Synonyms:

adjust
modify

Antonyms: maintain

adaptable

GeneralB2

Meaning: able to adjust to new conditions

Part of speech: adjective

Example: She is very adaptable in her job.

Category: General

Synonyms:

flexible
versatile

Antonyms: rigid

adaptation

GeneralB2

Meaning: the process of changing to fit a new environment

Part of speech: noun

Example: Adaptation is key to survival.

Category: General

Synonyms:

adjustment
modification

adaptive

GeneralC1

Meaning: able to change or adjust in response to new conditions

Part of speech: adjective

Example: Adaptive strategies are important in business.

Category: General

Synonyms:

flexible
responsive

Antonyms: inflexible

adaptor

TechnologyB2

Meaning: a device that allows different components to connect

Part of speech: noun

Example: You need an adaptor to use this charger.

Category: Technology › Electronics

Synonyms:

converter
connector

ADC

TechnologyC2

Meaning: Analog-to-Digital Converter, a device that converts analog signals to digital

Part of speech: acronym

Example: The ADC is essential for digital audio processing.

Category: Technology › Electronics

ADD

HealthB2

Meaning: Attention Deficit Disorder, a condition affecting focus and attention

Part of speech: acronym

Example: He was diagnosed with ADD as a child.

Category: Health › Psychology

add

HealthB2

Meaning: Attention Deficit Disorder, a condition affecting focus and attention

Part of speech: acronym

Example: He was diagnosed with ADD as a child.

Category: Health › Psychology

addendum

BusinessC1

Meaning: an addition or supplement to a document

Part of speech: noun

Example: The report included an addendum with new findings.

Category: Business › Documentation

Synonyms:

supplement
appendix

adder

NatureB2

Meaning: a type of snake or a device that adds numbers

Part of speech: noun

Example: The adder is often found in the UK.

Category: Nature › Reptiles

Synonyms:

snake
calculator

addict

HealthB2

Meaning: a person who is dependent on a substance or activity

Part of speech: noun

Example: He is a video game addict.

Category: Health › Addiction

Synonyms:

dependent
junkie

addicted

HealthB2

Meaning: physically or mentally dependent on a substance or activity

Part of speech: adjective

Example: She is addicted to coffee.

Category: Health › Addiction

Synonyms:

dependent
hooked

Antonyms: free

addiction

HealthB2

Meaning: the condition of being dependent on a substance or activity

Part of speech: noun

Example: His addiction to smoking is concerning.

Category: Health › Addiction

Synonyms:

dependency
habit

Antonyms: freedom

addictive

HealthB2

Meaning: causing or likely to cause addiction

Part of speech: adjective

Example: Many people find sugary foods addictive.

Category: Health › Addiction

Synonyms:

habit-forming
compulsive

Antonyms: non-addictive

add-in

TechnologyC1

Meaning: an additional component or feature added to a software program

Part of speech: noun

Example: The add-in improved the software's functionality.

Category: Technology › Software

Synonyms:

extension
plugin

addition

MathematicsA1

Meaning: the process of combining numbers or quantities

Part of speech: noun

Example: Addition is one of the basic operations in math.

Category: Mathematics › Arithmetic

Synonyms:

sum
total

Antonyms: subtraction

addition reaction

ScienceC2

Meaning: a chemical reaction where two or more substances combine

Part of speech: noun

Example: An addition reaction is common in organic chemistry.

Category: Science › Chemistry

Synonyms: combination reaction

additional

GeneralB1

Meaning: more than what is usual or expected

Part of speech: adjective

Example: We need additional information for the report.

Category: General

Synonyms:

extra
supplementary

Antonyms: less

additive

FoodB2

Meaning: a substance added to something to improve it or preserve it

Part of speech: noun

Example: Food additives can enhance flavor.

Category: Food › Ingredients

Synonyms:

ingredient
supplement

addle

LanguageC2

Meaning: to confuse or make unclear

Part of speech: verb

Example: The complicated instructions addled him.

Category: Language

Synonyms:

confuse
bewilder

Antonyms: clarify

addled

LanguageC2

Meaning: confused or muddled

Part of speech: adjective

Example: His addled thoughts made it hard to concentrate.

Category: Language

Synonyms:

confused
bewildered

Ask OneGoCube Words AI

Browse by Category

Browse by CEFR Level