Meaning

1 senses
  1. Someone who belongs to a group that secretly undermines another organization

More definitions
  • a member of a clandestine subversive organization who tries to help a potential invader

Translations

1 languages

Origin

From fifth column + -ist.

From fifth column + -ist.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: fifth columnists
Singularfifth columnist
Pluralfifth columnists

regular

Synonyms

1 synonyms
Close in meaning
  • a member of a clandestine subversive organization who tries to help a potential invader:saboteur

See also

neighbours in the dictionary
fifth columnist — meaning, examples, forms, synonyms | Krumeto