| Rating | Solver | Clue |
|---|---|---|
| BRAINS | Intellect | |
| NOUS | Intellect | |
| MIND | Intellect | |
| GREYMATTER | Brains or intellect | |
| SAPPY | Weak in intellect. | |
| SOFT-HEADED | Weak in intellect. | |
| SUPERINTELLECTUAL | Being above intellect. | |
| WIT | Mind; intellect; understanding; sense. | |
| SOFT | Somewhat weak in intellect. | |
| HALF-WITTED | Weak in intellect; silly. | |
| FORWARD | Advanced in intellect but impudent! | |
| GENIUS | Genus contains one higher intellect | |
| EDIFY | Improve morals or the intellect | |
| MAD | Disordered in intellect; crazy; insane. | |
| SLIGHT | Foolish; silly; weak in intellect. | |
| DUNCIFY | To make stupid in intellect. | |
| SIMPLICITY | Weakness of intellect; silliness; folly. | |
| UNDERWITTED | Weak in intellect; half-witted; silly. | |
| SHALLOW-BRAINED | Weak in intellect; foolish; empty-headed. | |
| BRAINTEASERS | Puzzles for those who mock intellect? | |
| WOWF | Disordered or unsettled in intellect; deranged. | |
| BRIGHT | Having a clear, quick intellect; intelligent. | |
| CRACK-BRAINED | Having an impaired intellect; whimsical; crazy. | |
| NOETICAL | Of or pertaining to the intellect; intellectual. | |
| CRAZE | To derange the intellect of; to render insane. | |