Definition, Meaning & Synonyms

red-line

noun
/ˈrɛd.laɪn/
Definition
A critical boundary or limit that should not be crossed.
Examples
  • The government declared that any further military aggression would cross a red-line.
  • In their negotiations, they set a red-line regarding budget constraints.
  • He felt that discussing personal matters was a red-line in their friendship.
Meaning
The term ‘red-line’ refers to a figurative line that one must not cross in various contexts, such as negotiations, policy discussions, or personal boundaries.
Synonyms
  • threshold
  • limit
  • boundary
  • constraint