oscillate
to swing back and forth
“His behavior oscillated,” the babysitter reported. “He would be docile eight
hours and then go crazy!”
ostensible
apparent; seeming (but usually not really)
The ostensible reason that Austin is able to bench-press 300 pounds is his daily
workout routine. The real reason is anabolic steroids.
ostentatious
showy; pretentious
Glittering Emerald City is Oz-tentatious.
overt
open and observable; not hidden (see COVERT)
Meg overtly knocked over Teddy’s crystal toothbrush holder in order to attract
attention.