| dishonest | honest |
| unambitious | ambitious |
| unfriendly | friendly |
| unimaginative | imaginative |
| unkind | kind |
| immature | mature |
| disorganised | organised |
| impatient | patient |
| unreliable | reliable |
| irresponsible | responsible |
| unselfish | selfish |
| insensitive | sensitive |
| unsociable | sociable |
| untidy | tidy |