Antonyms

Dormant means inactive or in a state of rest.
- Latent = Hidden or inactive (Incorrect)
- Active = Engaged in action (Correct)
- Indolent = Lazy (Incorrect)
- Helpless = Lacking ability (Incorrect)

Thus, the correct answer is Active.

Turbid means cloudy, opaque, or thick with suspended matter.
- Clear = Transparent and easy to see through (Correct)
- Muddy = Covered with mud (Incorrect)
- Dense = Thick (Incorrect)
- Heavy = Weighing a lot (Incorrect)

Thus, the correct answer is Clear.

Viable means capable of working successfully.
- Feasible = Possible to do (Incorrect)
- Impossible = Not able to be done (Correct)
- Credible = Believable (Incorrect)
- Rationale = A reason or explanation (Incorrect)

Thus, the correct answer is Impossible.

Amalgamate means to combine or merge into one.
- Recriminate = To accuse in return (Incorrect)
- Procrastinate = To delay (Incorrect)
- Scintillate = To sparkle or shine (Incorrect)
- Segregate = To separate (Correct)

Thus, the correct answer is Segregate.

Plethora means an excess or overabundance of something.
- Profusion = Large amount (Incorrect)
- Current = Flowing state (Incorrect)
- Balance = Equal distribution (Incorrect)
- Shortage = Lack of something (Correct)

Thus, the correct answer is Shortage.