green flag

Meaning

A positive sign, trait, or behavior indicating that a person is healthy, trustworthy, or good to have a relationship with. It is the direct opposite of a 'red flag' and is used in dating, friendships, and professional settings.

Examples

• The fact that he remembers the small details about your life is such a green flag.

  The fact that he remembers the small details about your life is such a green flag.

• She always listens without interrupting, which is a major green flag.

  She always listens without interrupting, which is a major green flag.

• During the interview, the manager's transparency about work-life balance was a huge green flag.

  During the interview, the manager's transparency about work-life balance was a huge green flag.

• A big green flag in a friendship is when someone genuinely celebrates your success.

  A big green flag in a friendship is when someone genuinely celebrates your success.

• He apologized immediately after the misunderstanding—definitely a green flag.

  He apologized immediately after the misunderstanding—definitely a green flag.

Common Mistakes

• ✗ He has many green flags traits.

  ✓ He has many green flags.

  'Green flag' is typically used as a count noun ('a green flag', 'green flags') rather than an adjective before another noun, unless hyphenated as 'green-flag traits'.

• ✗ That action movie was a green flag.

  ✓ That action movie was really good.

  'Green flag' refers specifically to character traits or indicators of healthy human relationships and environments, not just anything that is enjoyable.

Related Expressions

Practice

• When someone is polite to service staff on a first date, it is a massive ___.

  💡 A positive sign in a person's behavior.

  Show answer

  green flag

• I noticed several ___ during my job interview, like how happy the employees looked.

  💡 Plural form of positive indicators.

  Show answer

  green flags