The words in this list are:
1. Incorrigible
2. Surly
3. Morose
4. Taciturn
5. Gauche
6. Indomitable
7. Ingenuous
1. Incorrigible - bad behaviour beyond correction.
2. Surly - bad tempered and unfriendly.
3. Morose - sullen and ill-tempered.
4. Taciturn - reserved or uncommunicative in speech; saying little.
5. Gauche - unsophisticated and socially awkward.
6. Indomitable - impossible to subdue or defeat.
7. Ingenuous - a person or action that is innocent or unsuspecting.