plan B

plan B (countable and uncountable, plural plan Bs)

1. An alternative approach adopted when one's original plan does not succeed.

   Synonym: contingency plan

   Coordinate terms: plan A, plan C

   After failing to find a wife by 40, he had to rely on plan B, a mail-order bride.

   • 2016, A.K. Brown, Jumpstart (Champagne Universe Series: Book 1), page 3:

     She needed something else...A backup plan, a plan "B".

   • 2022 September 21, Chris Green tells Nick Brodrick, “It's absolutely my favourite train”, in RAIL, number 966, page 35:

     "There was no plan B, other than the Pendolino would have to run in non-tilt mode at 110mph." [...].

• change one's battery

• there is no Planet B

plan B m (plural planes B)

1. plan B