Difficult IELTS Words - Group 4

[Esc] (1)
v. supplement with great effort; add to; augment

[Esc] (2)
a. difficult to describe, rarely seen

[Esc] (3)
a. standing out above other things; high in rank, office, or worth

[Esc] (4)
n. place where animals are kept

[Esc] (5)
n. effort or attempt; exertion of physical or mental powers toward the attainment of object

[Esc] (6)
n. any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions

[Esc] (7)
a. short-lived; enduring a very short time

[Esc] (8)
v. to increase or intensify

[Esc] (9)
v. empty or remove the contents of; withdraw or depart from

[Esc] (10)
v. eliminate; eradicate; kill on a large scale; kill man