Identify the correct meaning of the following words enclosed in the parentheses. 1. during the long spelling bee the young contestant was (indefatigable).
2. the (invincible) athlete won three gold medals.
3. after her surgery, my grandmother's speech was surprisingly (lucid.)
4. she (dementedly) talked on and on about her failed math test.
5. the fashion show was an (ostentatious) presentation.
6. the children were (oblivious) to their teacher's wishes.