- a contribution so small as to be laughable.
- a preposterous attempt to turn back the pages of history.
- an idiotic idea.
- ask a nonsensical question and get a nonsensical answer.
- her conceited assumption of universal interest in her rather dull children was ridiculous.
- it is ludicrous to call a cottage a mansion.
- that's a cockeyed idea.
- the absurd excuse that the dog ate his homework.