Fallback

/ˈfɔːl.bæk/ · noun

Meaning

An act of falling back..

Definitions by Sense

1. An act of falling back.
2. A backup plan or contingency strategy; an alternative which can be used if something goes wrong with the main plan; a recourse.
3. (construction) A reduction in bitumen softening point, sometimes called refluxing or overheating, in a relatively closed container.
4. Pulverised material that falls back to earth after a nuclear explosion; fallout.
5. That can be resorted to as a fallback.
6. Misspelling of fall back.

Example Sentences

A failure of one of the rocket's first-stage engines just after liftoff would result in a destructive pad fallback.

The black hole formed as a result of fallback of ejecta onto the neutron star initially created by the supernova explosion.

As a fallback, I suppose we can use typewriters if the word processing system fails.

Particle size distributions of fallback and ejecta were determined principally by mechanical sieving and weighing.

a fallback plan

Synonyms for fallback

Antonyms for fallback

Related Words

Word Forms

• fallbacks
• fall-back

Usage Notes

Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.

Practice and Learn More

Frequently Asked Questions