1. having no meaning or making no sense; foolish or absurd

Examples

• The politician’s nonsensical explanation confused everyone at the press conference.
• It would be nonsensical to wear a winter coat in 90-degree weather.
• The child’s nonsensical story about flying elephants made us all laugh.
• His nonsensical argument had no basis in fact or logic.
• The instructions were so nonsensical that nobody could follow them.
• She dismissed his proposal as completely nonsensical.