To move backward
To support
  1. support
  2. help
  3. lend support
  4. stand by
  5. back
  6. corroborate
  7. upbear
Become or cause to become obstructed
  1. underset

Words Related to Back Up

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.