| A | B |
|---|
| annul | validate, authorize, ratify |
| blase | enthsiastic, passionate, fervent |
| bolster | undermine, weaken, impair |
| deplore | approve, commend, extol |
| frivolous | serious, important, significant |
| muster | disband, dismiss, disperse |
| nonentity | celebrity, superstar |
| ornate | simple, plain, startk, austere |
| oust | admit, welcome |
| porous | airtight, waterproof, impermeable |
| prone | standing upright, unlikely |
| solicitous | unconcerned, indifferent, apathetic |
| staid | gaudy, jaunty, unconventional |
|
