| eccentric(adjective, characteristic, irrationality, absurdness) |
| empty(adjective, characteristic, irrationality, absurdness) |
| erroneous(adjective, characteristic, irrationality, absurdness) |
| fallacious(adjective, characteristic, irrationality, absurdness) |
| fantastic(adjective, characteristic, irrationality, absurdness) |
| feeble(adjective, characteristic, irrationality, absurdness) |
| fictitious(adjective, characteristic, irrationality, absurdness) |
| flaky(adjective, characteristic, irrationality, absurdness) |
| flimsy(adjective, characteristic, irrationality, absurdness) |
| fooling around(expression, characteristic, irrationality, absurdness) |
| foolish(adjective, characteristic, irrationality, absurdness) |
| for grins(expression, characteristic, irrationality, absurdness) |
| forced(adjective, characteristic, irrationality, absurdness) |
| foundationless(adjective, characteristic, irrationality, absurdness) |
| fraudulent(adjective, characteristic, irrationality, absurdness) |
| freaky(adjective, characteristic, irrationality, absurdness) |
| frivolous(adjective, characteristic, irrationality, absurdness) |
| gagged up(expression, characteristic, irrationality, absurdness) |
| garbled(adjective, characteristic, irrationality, absurdness) |
| goofy(adjective, characteristic, irrationality, absurdness) |