| a. | 1. | Happy; fortunate; blessed. |
| 2. | Harmless; innocent; inoffensive. | |
| 3. | Weak; helpless; frail. | |
| 4. | Rustic; plain; simple; humble. | |
| 5. | Weak in intellect; destitute of ordinary strength of mind; foolish; witless; simple; | |
| 6. | Proceeding from want of understanding or common judgment; characterized by weakness or folly; unwise; absurd; stupid; |
| Noun | 1. | silly - a word used for misbehaving children; "don't be a silly" |
| Adj. | 1. | silly - pungent adjectives of disesteem; "gave me a cockamamie reason for not going"; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books" |
| 2. | silly - lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles" | |
| 3. | silly - inspiring scornful pity; "how silly an ardent and unsuccessful wooer can be especially if he is getting on in years"- Dashiell Hammett Synonyms: ridiculous, pathetic | |
| 4. | silly - dazed from or as if from repeated blows; "knocked silly by the impact"; "slaphappy with exhaustion" Synonyms: punch-drunk, slaphappy |