noun
Meaning 1
An alternative approach adopted when one's original plan does not succeed.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
- to (not) have a plan B
- After failing to find a wife by 40, he had to rely on plan B, a mail-order bride.
Meaning relationships
Synonyms: contingency plan
Antonyms: none provided