The antonyms of ignore,optimistic,humility,indolent,boring,attack,normal,innocuous,preserve,commence

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Here are the antonyms for the words you mentioned:

1. Ignore: acknowledge, notice, attend to
2. Optimistic: pessimistic, doubtful, negative
3. Humility: arrogance, pride, conceit
4. Indolent: industrious, diligent, active
5. Boring: exciting, interesting, engaging
6. Attack: defend, protect, guard
7. Normal: abnormal, unusual, atypical
8. Innocuous: harmful, toxic, dangerous
9. Preserve: destroy, ruin, demolish
10. Commence: conclude, finish, end

By using a thesaurus, you can explore different words and find suitable antonyms to enhance your writing or understanding of word meanings.