dec–deciduous Vocabulary (D Words) – Meanings & Synonyms

dec

MathematicsB2

Meaning: a prefix meaning ten.

Part of speech: noun

Example: The term 'decade' refers to a period of ten years.

Category: Mathematics

Synonyms:

ten
tenth

Deca

MathematicsC2

Meaning: a prefix meaning ten times.

Part of speech: noun

Example: A decametre is ten meters.

Category: Mathematics

Synonyms:

tenfold
ten times

decade

TimeB1

Meaning: a period of ten years.

Part of speech: noun

Example: The decade of the 1990s was known for its music.

Category: Time

Synonyms:

ten years
period

decadence

ArtsC2

Meaning: moral or cultural decline due to excessive indulgence.

Part of speech: noun

Example: The decadence of the era was evident in its art.

Category: Arts

Synonyms:

decline
decay

Antonyms:

growth
improvement

decadent

ArtsC2

Meaning: characterized by excessive indulgence in pleasure or luxury.

Part of speech: adjective

Example: The decadent dessert was rich and creamy.

Category: Arts

Synonyms:

luxurious
extravagant

Antonyms:

simple
modest

Decaf

FoodB1

Meaning: coffee that has had most of its caffeine removed.

Part of speech: noun

Example: I prefer to drink decaf coffee in the evening.

Category: Food

Synonyms:

decaffeinated coffee
caffeine-free coffee

Decaffeinated

FoodB2

Meaning: having had most or all of the caffeine removed.

Part of speech: adjective

Example: She ordered a decaffeinated tea.

Category: Food

Synonyms:

caffeine-free
decaf

Decagon

MathematicsC1

Meaning: a polygon with ten sides and ten angles.

Part of speech: noun

Example: A decagon can be found in some architectural designs.

Category: Mathematics

Synonyms: ten-sided polygon

decahedron

MathematicsC2

Meaning: a three-dimensional shape with ten faces.

Part of speech: noun

Example: The decahedron is used in some geometric studies.

Category: Mathematics

Synonyms: ten-faced solid

decal

ArtsB2

Meaning: a design prepared on special paper for transfer onto another surface.

Part of speech: noun

Example: I put a decal of a flower on my laptop.

Category: Arts

Synonyms:

sticker
transfer

decalitre

MeasurementC2

Meaning: a metric unit of volume equal to ten liters.

Part of speech: noun

Example: The recipe calls for two decalitre of water.

Category: Measurement

Synonyms: decaliter

decametre

MeasurementC2

Meaning: a metric unit of length equal to ten meters.

Part of speech: noun

Example: The building is five decametres tall.

Category: Measurement

Synonyms: decameter

decamp

TravelC2

Meaning: to leave a place suddenly or secretly.

Part of speech: verb

Example: They decided to decamp before dawn.

Category: Travel

Synonyms:

depart
leave

decant

FoodC2

Meaning: to pour a liquid from one container to another.

Part of speech: verb

Example: Please decant the wine into a glass.

Category: Food

Synonyms:

pour
transfer

decanter

FoodC2

Meaning: a vessel used to hold and pour wine or other liquids.

Part of speech: noun

Example: The wine was served from a beautiful decanter.

Category: Food

Synonyms:

carafe
pitcher

decapitate

HistoryC2

Meaning: to cut off the head of someone or something.

Part of speech: verb

Example: The king was decapitated in the story.

Category: History

Synonyms:

behead
execute

decasyllable

LiteratureC2

Meaning: a line of verse containing ten syllables.

Part of speech: noun

Example: The poem was written in decasyllable lines.

Category: Literature

Synonyms: ten-syllable line

decathlete

SportsC2

Meaning: an athlete who competes in the decathlon.

Part of speech: noun

Example: The decathlete trained for months before the competition.

Category: Sports

Synonyms:

athlete
competitor

decathlon

SportsC1

Meaning: an athletic event consisting of ten different track and field events.

Part of speech: noun

Example: He won the gold medal in the decathlon.

Category: Sports

Synonyms: ten-event competition

decay

NatureB2

Meaning: to rot or decompose.

Part of speech: verb

Example: The fruit began to decay after a few days.

Category: Nature

Synonyms:

decompose
deteriorate

Antonyms:

preserve
maintain

decease

MedicineC2

Meaning: the act of dying.

Part of speech: noun

Example: The decease of the patient was unexpected.

Category: Medicine

Synonyms:

death
passing

Antonyms:

birth
life

deceased

MedicineC2

Meaning: having died; no longer living.

Part of speech: adjective

Example: The deceased was honored at the memorial service.

Category: Medicine

Synonyms:

dead
departed

Antonyms:

alive
living

deceit

EthicsC2

Meaning: the act of deceiving or misleading.

Part of speech: noun

Example: His deceit was uncovered by the investigation.

Category: Ethics

Synonyms:

dishonesty
fraud

Antonyms:

honesty
truth

deceitful

EthicsC2

Meaning: intending to deceive or mislead.

Part of speech: adjective

Example: His deceitful actions caused many problems.

Category: Ethics

Synonyms:

dishonest
fraudulent

Antonyms:

honest
truthful

deceive

EthicsC2

Meaning: to cause someone to believe something that is not true.

Part of speech: verb

Example: She didn't mean to deceive him with her story.

Category: Ethics

Synonyms:

mislead
trick

Antonyms:

reveal
disclose

decelerate

TransportationC1

Meaning: to reduce speed.

Part of speech: verb

Example: The driver had to decelerate to avoid an accident.

Category: Transportation

Synonyms:

slow down
reduce speed

Antonyms:

accelerate
speed up

December

TimeA1

Meaning: the twelfth month of the year.

Part of speech: noun

Example: Christmas is celebrated in December.

Category: Time

Synonyms: twelfth month

decency

EthicsC1

Meaning: behavior that conforms to accepted standards of morality.

Part of speech: noun

Example: He showed decency by helping the stranger.

Category: Ethics

Synonyms:

morality
respectability

Antonyms:

indecency
immorality

decent

EthicsB1

Meaning: socially acceptable or good enough.

Part of speech: adjective

Example: He wore a decent outfit to the interview.

Category: Ethics

Synonyms:

respectable
acceptable

Antonyms:

indecent
unacceptable

decentralize

BusinessC2

Meaning: to distribute functions or powers away from a central authority.

Part of speech: verb

Example: The company decided to decentralize its operations.

Category: Business

Synonyms:

disperse
distribute

Antonyms:

centralize
consolidate

deception

EthicsC2

Meaning: the act of deceiving or misleading someone.

Part of speech: noun

Example: His deception was revealed during the investigation.

Category: Ethics

Synonyms:

trickery
fraud

Antonyms:

honesty
truth

deceptive

EthicsC2

Meaning: intended to mislead or trick.

Part of speech: adjective

Example: The advertisement was found to be deceptive.

Category: Ethics

Synonyms:

misleading
dishonest

Antonyms:

honest
truthful

Deci-

MathematicsC2

Meaning: a prefix meaning one-tenth.

Part of speech: prefix

Example: A decilitre is one-tenth of a liter.

Category: Mathematics

decibel

ScienceB2

Meaning: a unit used to measure the intensity of sound.

Part of speech: noun

Example: The music was played at a high decibel level.

Category: Science

Synonyms:

sound level
loudness

decide

Decision MakingA2

Meaning: to make a choice or come to a conclusion.

Part of speech: verb

Example: I need to decide what to wear today.

Category: Decision Making

Synonyms:

determine
choose

Antonyms:

hesitate
waver

decide on

Decision MakingB1

Meaning: to make a choice about something after consideration.

Part of speech: phrasal verb

Example: We need to decide on a restaurant for dinner.

Category: Decision Making

Synonyms:

choose
select

decided

Decision MakingB2

Meaning: having made a firm decision.

Part of speech: adjective

Example: She was a decided leader in the project.

Category: Decision Making

Synonyms:

determined
resolute

Antonyms:

indecisive
uncertain

decidedly

Decision MakingC1

Meaning: in a way that is clear and definite.

Part of speech: adverb

Example: She is decidedly the best candidate for the job.

Category: Decision Making

Synonyms:

clearly
definitely

Antonyms:

uncertainly
vaguely

decider

Decision MakingC2

Meaning: a person who makes a decision.

Part of speech: noun

Example: As the decider, she had the final say.

Category: Decision Making

Synonyms:

decision-maker
chooser

deciduous

NatureC2

Meaning: trees or shrubs that shed their leaves annually.

Part of speech: adjective

Example: Maple trees are deciduous.

Category: Nature

Synonyms:

leaf-shedding
seasonal

Antonyms:

evergreen
perennial

Ask OneGoCube Words AI

Browse by Category

Browse by CEFR Level