| A | B |
| Obscure | N. not clearly seen or easily distinguished |
| Opaque | ADJ. blocking the passage of radiant energy and especially light |
| Gnaw | V. to bite or chew on with the teeth |
| Speculation | N. assumption of unusual business risk in hopes of obtaining commensurate gain |
| Scowl | V. to contract the brow in an expression of displeasure |
| Jabber | V. to talk rapidly, indistinctly, or unintelligibly |
| Jeer | V. to abuse vocally; taunt or mock |
| Indigo | N. a blue dye obtained from plants, synthesized as a blue powder with a coppery luster |
| Formulate | V. to put into a systematized statement or expression |
| Mimicry | N. the action, practice, or art of imitating |
| Inarticulate | ADJ. Incomprehensible; unable to speak with clarity |
| Gibbering | N. words that are spoken , inarticulately, and often foolishly |
| Improvisation | N. the act or art of making, inventing, or arranging offhand |
| Ludicrous | ADJ. laughably and obviously absurd; foolish |
| Ineffectual | ADJ. Insufficient to produce an effect; useless |