Your question is missing the tenth option. I've found it online, and it is 10. suggestive
Answer and Explanation:
Addenda is the plural form of addendum, which means something that was added to a book, a speech, or a document. Therefore: addenda 1. something added, especially a supplement to a book.
Pneumatic is something that is operated by air pressure. Therefore: pneumatic 7. relating to air and other gases.
Unpunctual is the negation of the adjective punctual. Punctual refers to someone or something who arrives on time. Therefore: unpunctual 9. late.
Amorphous refers to something whose form or shape is not fixed. Therefore: amorphous 8. lacking definite form.
Incoherent is something that is not expressed clearly or someone who does not think or talk clearly. Therefore: incoherent 4. unable to think in a clear or orderly manner.
Redolent is something that is strongly reminiscent or suggestive of something else. Therefore: redolent 10. suggestive.
Corroborate means to confirm something. Therefore: corroborate 6. to strengthen or support with other evidence.
Commensurate means to have the same size or proportions of something. Therefore: commensurate 5. corresponding in size or degree.
Pandered refers to someone whose nasty desires are gratified or indulged. It can also refer to someone who serves as an intermediate between a client and someone who offers sexual intercourse for money. Therefore: pandered 2. to act as a go-between in sexual intrigues.
Provincial can refer to someone whose ideas are simple and old-fashioned. Therefore: provincial 3. limited in perspective.