1.MORIBUND
(1) stagnant
(2) gloomy
(3) dying
(4) superfluous
2.SOOTHE
(1) agitate
(2) perturb
(3) fluster
(4) mollify
3. ENIGMA
(1) attractive
(2) riddle
(3) flare-up
(4) dream
4.
(1) revive
(2) review
(3) abuse
(4) reveal
5. VENIAL
(1) corrupt
(2) superficial
(3) respected
(4) pardonable
6.RECTIFY
(1) satisfy
(2) correct
(3) reduce
(4) pacify
7. CONSTRAIN
(1) stress
(2) contradict
(3) restrict
(4) obstruct
8. LETHARGIC
(1) energetic
(2) lazy
(3) lethal
(4) legal
9. RECEPTACLE
(1) compartment
(2) hole
(3) container
(4) funnel
10 ADVERSITY
(1) chance
(2) capacity
(3) joy
(4) misfortune
Answers:
1 (3) moribund (Adj.) : in a very bad condition; dying; no longer effective and about to come to an end completely.
2 (4) mollify
soothe (V.) : placate; mollify; calm; relieve.
3 (2) riddle
enigma (N.) : a person, thing or situation that is mysterious and difficult to understand; mystery; puzzle; riddle.
4 (3) abuse
revile (V.) : to criticize somebody/ something in a way that shows how much you dislike them ; abuse.
5. (4) pardonable
venial (Adj.) : pardonable ; not very serious and therefore able to be forgiven.
6. (2) correct
rectify (V.) : to put right something that is wrong; correct.
7 (3) restrict
constrain (V. ) : restrain or restrict or limit somebody/ something; to force somebody to do something.
8. (2) lazy
lethargic (Adj.) : lack of energy or enthusiasm; affected by sluggish and apathetic; attitude; inert; inactive; torpid; lazy.
9 (3) container
receptacle (N.) : a container for putting something in.
10. (4) misfortune adversity (N.) : a difficult or unpleasant situation; unfavourable fortune or fate.