Plan B
noun[CorU]
(alsoplan B)uk/ˌplæn ˈbiː/us/ˌplæn ˈbiː/aplanormethodthat you use if another onefails, or islikelytofail:
We had no Plan B tofallback on.
A secondshaftis beingdrilledas aplanB, incasetheoriginalboreholeencountersproblems.
- Sofarthisplanhas notproducedmuchmoneyat all, so what is Plan B?
 - Always have aplanB incaseyouroriginalchoicebecomesimpracticalfor anyreason.
 - He hasstrongreservationsabout whether a newpresidentcould behiredby year's end and said theboardneedsa Plan B just incase.
 
Different and difference
- altered
 - alternative
 - anomalous
 - another
 - anything
 - dissimilar
 - dissimilitude
 - distinct
 - distinction
 - distinctive
 - non-typical
 - non-uniform
 - non-uniformity
 - nonequivalence
 - nonequivalent
 - variation
 - varied
 - various
 - various and sundryidiom
 - which is whichidiom