1 Pick the two words that are either most nearly the same in meaning or most nearly the opposite in meaning.

Digestive
Conclusive
Decisive
Heroic

2 Pick the two words that are either most nearly the same in meaning or most nearly the opposite in meaning.
Thirst
Turmoil
Petroleum
Chaos

3 Pick the two words that are either most nearly the same in meaning or most nearly the opposite in meaning.
Scrub
Scorch
Scald
Sprung

1. Decisive and Conclusive

2. Turmoil and Chaos
3. Scrub and Scorch