1. confident - timid, doubtful, shy;
2. hard-working - lazy, idle;
3. mean - kind, generous;
4. optimistic - pessimistic;
5. patient - impatient;
6. polite - impolite, rude, ill-mannered;
7. quiet - noisy, loud;
8. seroius - empty-headed, frivolous, trivial;
9. unfriendly - friendly;
10. unkind
- kind, good-hearted, kind-hearted, gracious