Vocabulary Words Starting With D

68 GRE, SAT, IELTS, and TOEFL vocabulary words beginning with D.

Dearth medium
noun

A scarcity or lack of something needed.

Debacle easy
noun

A sudden, complete failure or disastrous collapse of something.

Debilitate medium
verb

To make someone or something significantly weaker, often over time.

Decipher medium
verb

To work out the meaning of something written unclearly, in code, or hard to read.

Decisive easy
adjective

Able to make decisions quickly and confidently, or having a strong, clear effect on an outcome.

Decorum medium
noun

Behavior that is socially proper and in good taste.

Deduce easy
verb

To reach a conclusion through logical reasoning, based on facts or evidence already known.

Defer medium
verb

To put off an action until a later time, or to yield to someone else's judgment.

Deference medium
noun

Respectful yielding to the judgment, wishes, or authority of another person.

Deficient easy
adjective

Lacking a necessary quality, amount, or ingredient to be considered complete or adequate.

Definitive medium
adjective

Final and not able to be changed or disputed; the most authoritative version.

Deft easy
adjective

Skillful and quick in a way that shows practiced ease.

Deleterious hard
adjective

Causing harm or damage.

Delineate hard
verb

To describe or outline something with precision and clarity.

Demagogue medium
noun

A leader who gains power by appealing to people's emotions and prejudices rather than reason.

Demographic medium
noun

A specific section of a population, often grouped by shared traits such as age, income, or location.

Denigrate medium
verb

To unfairly criticize or belittle someone's character or reputation.

Denote medium
verb

To be a sign of, or to indicate the meaning of, something specific.

Denounce easy
verb

To publicly criticize or condemn something or someone as wrong.

Depict easy
verb

To represent or show something through a picture, description, or performance.

Deplete medium
verb

To reduce the amount of a resource, usually through continued or careless use.

Deplore medium
verb

To feel or express strong disapproval of something considered wrong or regrettable.

Deprive medium
verb

To stop someone from having or enjoying something they need or want.

Deride easy
verb

To mock or ridicule someone or something with contempt.

Derivative medium
adjective

Imitative of the work of others rather than original.

Derive easy
verb

To obtain or trace something, especially a word, idea, or feeling, from a particular source.

Designate medium
verb

To officially choose or name someone or something for a specific role or purpose.

Despondent medium
adjective

Feeling deeply discouraged and without hope.

Despot medium
noun

A ruler who holds total power and uses it cruelly or unfairly.

Desultory hard
adjective

Lacking a plan or purpose, moving randomly from one thing to another.

Deter medium
verb

To discourage someone from doing something, usually by making it seem risky or unpleasant.

Detrimental medium
adjective

Causing harm or damage, especially to something's health, development, or condition over time.

Deviate medium
verb

To depart or move away from an established course, standard, or expected pattern of behavior.

Devious medium
adjective

Willing to lie, trick, or scheme in order to get what one wants.

Devise medium
verb

To plan or invent a new method, system, or object through careful thought.

Diaphanous hard
adjective

Light, delicate, and so thin that it is nearly see-through.

Diatribe medium
noun

A forceful, bitter verbal attack against someone or something.

Dichotomy medium
noun

A division between two things that are presented as completely opposite or contradictory.

Didactic medium
adjective

Intended to teach or instruct, often in an overly moralizing way.

Differentiate easy
verb

To recognize or show the difference between two or more things, or to make something distinct from others.

Diffident hard
adjective

Lacking confidence in oneself; shy and hesitant to assert an opinion.

Diligent easy
adjective

Showing careful and persistent effort.

Diminish easy
verb

To become or make something smaller, weaker, or less important than before.

Discern hard
verb

To notice, recognize, or understand something that is not immediately obvious, usually by looking closely.

Discerning medium
adjective

Able to judge or perceive things clearly and accurately, especially subtle differences.

Disclose easy
verb

To make previously secret or private information known to others.

Discord easy
noun

Disagreement or a lack of harmony between people or ideas.

Discrepancy hard
noun

A noticeable difference or lack of agreement between two things that should otherwise match.

Discrete medium
adjective

Individually separate and distinct, not blended together with anything else.

Discretion medium
noun

The careful judgment to say or do the right thing, especially about sensitive matters.

Disdain easy
noun

A strong feeling that someone or something is beneath one's respect or unworthy of consideration.

Disparage medium
verb

To speak of someone or something in a dismissive, belittling way.

Disparity hard
noun

A significant and often unfair difference or inequality between two things being compared.

Disperse medium
verb

To scatter or spread out over a wide area.

Disproportionate hard
adjective

Too large or too small in comparison to what is normal, fair, or expected.

Disrupt easy
verb

To interrupt something and prevent it from continuing in its normal way.

Dissemble hard
verb

To hide one's true feelings or intentions by pretending or being misleading.

Disseminate hard
verb

To spread information, ideas, or knowledge widely so that many people receive it.

Distort medium
verb

To twist something out of its normal shape or true meaning.

Diverge medium
verb

To develop in a different direction, or to separate from an original path or shared point.

Docile easy
adjective

Easily taught, led, or managed; naturally obedient and calm in temperament.

Dogmatic easy
adjective

Stating opinions as if they were unquestionably true, without allowing for debate.

Domain easy
noun

A specific field of knowledge, activity, or authority.

Dormant medium
adjective

Temporarily inactive but capable of becoming active again later.

Drastic easy
adjective

Extreme and sudden, especially in a way that produces a strong effect.

Dubious easy
adjective

Doubtful or uncertain, often because something seems suspicious or unreliable.

Duration easy
noun

The length of time during which something continues or lasts.

Dwindle medium
verb

To become gradually smaller or weaker over a period of time.