Definition of fall back in US English:

fall back

phrasal verb

  • Move or turn back; retreat.

    • ‘Even a Mercedes falls back to a respectful distance when I rudely pull out in front of it.’
    • ‘She gave the order to retreat, and everyone started falling back to the forest.’
    • ‘As the troops fell back, looters on bicycles braved the continuing shellfire.’
    retreat, withdraw, back off, draw back, pull back, pull away, move away, retire, pull out
    View synonyms