1.SURREPTITIOUS
(a) Deceitful
(b) Savoury
(c) Insipid
(d) Painful
2.PORTENTOUS
(a) Imaginary
(b) Ominous
(c) Demonstrative
(d) Convincing
3.DANK
(a) Taut
(b) Rite
(c) Dry
(d) Damp
4.EXACTION
(a) Demand
(b) Aggravation
(c) Accuracy
(d) Collaboration
5.EXPLICATE
(a) To apologize
(b) To make something complicated
(c) To strengthen
(d) To explain
6. INADVERTENT
1) unexpected
2) unintentional
3) undisturbed
4) ignorant
7. Fortitude
1) courage
2) protection
3) safety
4) similarity
8. Duplicity
1) artlessness
2) deceit
3) strength
4) weakness
9. Fidelity
1) resourcefulness
2) strength
3) weakness
4) faithfulness
10. Vanguard
1) officer
2) flag bearer
3) pioneer
4) race driver
Answers
1.(a)
2.(b)
3.(d)
4.(a)
5.(d)
6.(2)
7.(1)
8.(2)
9.(4)
10.(3)