IPA: /ˈkaʊntərˌplæn/
KK: /ˈkaʊntərˌplæn/
A plan created to oppose or provide an alternative to another plan.
The team presented a counterplan to address the issues raised in the original proposal.
Counterplan → It is formed from "counter-" (meaning against or in opposition) and "plan" (from Old French *plan*, meaning a scheme or design). The word "counterplan" refers to a plan that is made to oppose or counteract another plan.
Think of a plan that is made 'against' something — 'counter-' means against, and 'plan' refers to a scheme or design.