fallback

1 of 2

noun

fall·​back ˈfȯl-ˌbak 

1

: something on which one can fall back : reserve

—often used attributively

a fallback career

a fallback position

2

: a falling back : retreat

3

: something that falls back

the fallback from an explosion

fall back

2 of 2

verb

fell back; fallen back; falling back; falls back

intransitive verb

: retreat, recede

see also:

fall back on

Synonyms of fallback

Verb

• withdraw
• retreat
• drop back
• pull out
• retire

Examples of fallback in a Sentence

Verb

resistance from native forces was greater than expected, and the invading army was forced to fall back

Recent Examples on the Web

Noun

Not every bank supports RfP, and until coverage is close to universal, businesses still need fallback rails. — Ivaylo Bozoukov, Forbes.com, 8 Sep. 2026

Glide's longer-term goal is to move supported users away from SMS authentication rather than leaving text messages available as the easy fallback. — Kurt Knutsson, FOXNews.com, 23 Aug. 2026

Verb

The question asked by the team was how to bring a wave packet that has fallen back into contact with the one that stayed behind—the same atom on the other path—so that the two can interfere. — Jacek Krywko, ArsTechnica, 11 Sep. 2026

Sometimes a player experiences a season in the sun and falls back to Earth, as Matt Kemp and Jacoby Ellsbury did in 2011. — Andy McCullough, New York Times, 10 Sep. 2026

Word History

First Known Use

Noun

1830, in the meaning defined at sense 2

Verb

1607, in the meaning defined above

Rhymes for fallback

• aback
• attack
• backpack
• backtrack
• bareback
• blackjack
• brownback
• buyback
• callback
• cognac
• comeback
• cutback

Kids Definition

fall back

verb

: retreat entry 2 sense 1