| goofiness |
| grins(noun, play, pleasure, excitement, sport) |
| high jinks(noun, expression, play, pleasure, excitement) |
| holiday(noun, play, pleasure, excitement, sport) |
| horse feathers(noun, expression, nonsense, absurdity, stupidity) |
| humoring |
| impracticality(noun, nonsense, absurdity, stupidity, silliness) |
| imprudence(noun, nonsense, absurdity, stupidity, silliness) |
| indiscretion(noun, nonsense, absurdity, stupidity, silliness) |
| indulging |
| ineptitude |
| insensibility(noun, nonsense, absurdity, rubbish, stupidity) |
| irony(noun, scorn, disdain, taunt, contempt) |
| irrationality(noun, nonsense, absurdity, stupidity, silliness) |
| jape |
| jesting(noun, play, pleasure, excitement, sport) |
| jocularity(noun, play, pleasure, excitement, sport) |
| joke(noun, play, pleasure, excitement, trick) |
| joking(noun, play, pleasure, excitement, sport) |
| jollity(noun, play, pleasure, excitement, sport) |