| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | flighty, scatterbrained |
| Synonyms: | brainless, dizzy, featherbrained, frivolous, giddy, harebrained, ignorant, illiterate, inane, know-nothing, silly, skittish, stupid, uneducated, unschooled, untaught, vacant, vacuous |
| Antonyms: | cognizant, intelligent, sensible, slick, smart |
| Main Entry: | ignoramus |
| Part of Speech: | noun |
| Definition: | simpleton |
| Synonyms: | blockhead, dimwit, dunce, fool, idiot, imbecile, know-nothing, moron, numbskull |