Difficult IELTS Words - Group 11

[Esc] (1)
n. hot and humid; pertaining to the tropics, the equatorial region between 23 degrees north and south

[Esc] (2)
a. wave lengths shorter than light but longer than X rays

[Esc] (3)
v. take on; embark on; assume

[Esc] (4)
v. write under something else; subscribe; assume financial responsibility for; guarantee against failure

[Esc] (5)
a. not due; not yet owing; not just, proper, or legal; ; excessive

[Esc] (6)
a. awkward; lacking grace in movement or posture

[Esc] (7)
a. involving or affecting only one side

[Esc] (8)
n. act of keeping up, or maintaining; maintenance

[Esc] (9)
n. act of changing or altering

[Esc] (10)
v. freshen; circulate through and freshen