1. having doubts about something; not easily convinced
Usage: British spelling; American spelling is ‘skeptical’

Examples

• She was sceptical about his claims of success.
• The scientist remained sceptical until she saw the evidence.
• Many voters are sceptical of campaign promises.
• He gave her a sceptical look when she explained what happened.
• The committee was sceptical about the proposed budget cuts.
• I’m sceptical that the weather will improve tomorrow.