planb

noun

UK /plæn biː/

US /plæn biː/

A plan B is a second plan you use if your first plan does not work.

If it rains, our plan B is to play games inside.

SYNONYMS

backup plan fallback alternative contingency reserve option

RELATED WORDS

backup alternative contingency fallback safety net

OTHER MEANINGS

2. A second choice or option kept ready in case the first one fails.

We kept a plan B in case the tickets were sold out.

3. An emergency idea prepared ahead of time for unexpected problems.

The teacher had a plan B when the projector broke.

4. A different way to reach a goal when the usual way is blocked.

Taking the bus was our plan B after the car would not start.