A
Sociable
B
Turbulent
C
Pugnacious
D
Clumsy
Solution:
The synonym of Gregarious is Sociable.'Gregarious' indicates a person who enjoys socialising with others. For example, she is a sociable, outgoing person. 'Sociable' refers to someone who enjoys meeting and spending time with others. 'Turbulent' refers to a lot of abrupt shifts, conflicts, or violence. 'Pugnacious' refers to the desire to provoke a quarrel or battle. 'Clumsy' refers to a clumsy movement or style.