1. deserving or inviting derision or mockery; absurd
2. extremely unreasonable or inappropriate

Examples

• It’s ridiculous to wear a winter coat in 90-degree weather.
• The price they’re asking for that old car is absolutely ridiculous.
• She looked ridiculous in that oversized hat.
• His excuse for being late was so ridiculous that nobody believed it.
• The new policy seems ridiculous and impractical.
• Don’t be ridiculous—of course you can learn to drive.
• The amount of homework assigned over the weekend was ridiculous.