Difficult IELTS Words - Group 4

[Esc] (1)
v. raise; give a promotion to or assign to a higher position

[Esc] (2)
n. ban on commerce or other activity

[Esc] (3)
n. condition of being enclosed as in a capsule; act of surrounding with a capsule

[Esc] (4)
n. effort or attempt; exertion of physical or mental powers toward the attainment of object

[Esc] (5)
v. swallow up or overwhelm by or as if by overflowing and enclosing

[Esc] (6)
n. search for knowledge; systematic investigation

[Esc] (7)
v. give right to; authorize; furnish with a right or claim to something; designate; give title to

[Esc] (8)
n. the imaginary great circle on the earth's surface, everywhere equally distant from the two poles, and dividing the earth's surface into two hemispheres

[Esc] (9)
v. eat away; wear away by abrasion; become worn

[Esc] (10)
n. corrosion; a gradual decline of something