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Word

dumb

adjective C1
/dʌm/

Primarily used to describe an inability to speak or, more commonly and informally, a lack of intelligence.

dumb: Primarily used to describe an inability to speak or, more commonly and informally, a lack of intelligence.

Meanings

adjective

Unable to speak, either temporarily due to shock or permanently due to a physical condition. This usage is now often considered dated or insensitive, with 'mute' or 'non-speaking' being preferred.

adjective

(Informal, often offensive) Lacking intelligence or common sense; foolish.

dumb: (Informal, often offensive) Lacking intelligence or common sense; foolish.

dumb: Primarily used to describe an inability to speak or, more commonly and informally, a lack of intelligence.

Definition

The adjective "dumb" can historically refer to someone who is unable to speak, either temporarily due to shock or permanently due to a physical condition, though "mute" or "non-speaking" are now generally preferred. More commonly, and informally, it describes a person or action that is foolish or unintelligent. When used in this latter sense, especially towards individuals, it is widely considered offensive.

Examples

  • The news of the sudden closure left the employees temporarily dumb with shock, unable to react or speak.
  • Many older historical texts might refer to individuals as 'deaf and dumb', though this terminology is now outdated and considered inappropriate.
  • She made a really dumb mistake by sending the email to the wrong client.
  • He felt completely dumb for forgetting his presentation notes on the most important day.
  • It would be a dumb idea to sign that contract without having a lawyer review it first.

Common mistake

Learners often use "dumb" informally to mean unintelligent without realizing it can be offensive, especially in formal contexts or when referring directly to people.