CEFR B2

fall back

phrasal verb

Meaning

To retreat or withdraw from a position, often in a military context, or to rely on a secondary plan or resource when a primary one fails.

Examples

  • The troops were ordered to fall back to a more defensible position.
  • If our main server crashes, we will have to fall back on the emergency backup system.

Synonyms: retreat, withdraw, recede, resort to