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Word of the Day Sunday, June 21, 2026

clandestine

/klænˈdɛstɪn/ adjective · British & US
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What does clandestine mean?

The term clandestine refers to activities, actions, or agreements that are conducted or done secretly, often because they are illegal, immoral, or socially unacceptable. This adjective is commonly used to describe covert operations, secret meetings, or hidden relationships that are intended to be kept concealed from public knowledge or scrutiny. Clandestine activities often involve secrecy and deception, and may be associated with illicit or forbidden behavior. The word clandestine is often used in contexts where secrecy is essential, such as in espionage, covert politics, or personal relationships that are not publicly acknowledged.

adjective

Conducted or done secretly, often because it is illegal or forbidden.

Senses
  1. kept secret, often due to being illegal or socially unacceptable
  2. conducted or done in a way that is intended to be kept secret
Example

"The couple exchanged clandestine vows in a private ceremony."

More examples

"The clandestine affair was a closely guarded secret."

"The journalist uncovered a clandestine operation involving corrupt government officials."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of clandestine

The word clandestine originates from the Latin word 'clandestinus', which means 'secret' or 'hidden'. This Latin term is derived from 'clam', meaning 'secretly', and 'destinare', meaning 'to intend'. The word clandestine has been used in the English language since the 17th century to describe activities or actions that are conducted in secret.

Usage notes

Often used to describe activities that are illegal, immoral, or socially unacceptable, such as clandestine meetings, affairs, or operations.

Synonyms for clandestine

Antonyms of clandestine

Rhymes with clandestine