fallback

• fall-back

From the verb fall back.

• IPA^(key): /ˈfɔːl.bæk/

fallback (plural fallbacks)

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.

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

3. (construction) A reduction in bitumen softening point, sometimes called refluxing or overheating in a relatively closed container.

• (act of falling back): ebbing, recession, retreat
• (backup plan): back-up/backup, plan B, recourse

fallback (not comparable)

1. That can be resorted to as a fallback.

   a fallback plan

• alternate/alternative, back-up/backup, secondary

• fallback font

• backfall