solid
shallow
narrow
vacant
Answer: solid
Explanation:
Crammed
Cleared
Crowded
Choked
Answer: Cleared
Infamous
Optimistic
Efficient
Popular
Answer: Popular
Entire
Agitate
Reduce
Deny
Answer: Agitate
Healthy
Cheerful
Pessimistic
Answer: Pessimistic
Invite
Lure
Allure
Repel
Answer: Repel
Tense
Peaceful
Calm
Arrogant
Answer: Tense
Cool
Stormy
Answer: Stormy
Discreet
Prudent
Negligent
Alert
Answer: Negligent
Lengthy
Intensive
Elaborate
Intricate
Answer: Intensive