To disagree with or try to stop something, such as a plan, idea, or rule.
“Many residents oppose the plan to build a highway through the park because it would destroy the natural habitat.”
“She strongly opposes the company's decision to reduce employee benefits, so she is organizing a petition.”
Use 'oppose' in CELPIP Writing Task 1 (e.g., in an email to a manager) or Speaking Task 2 (e.g., expressing a personal opinion). For example, in a survey response, say: 'I oppose the new policy because it will increase costs for families.' This shows clear stance and reasoning.
Synonyms: resist, object to, be against