Difficult IELTS Words - Group 1

[Esc] (1)
a. being the first of its kind in a region; primitive; native

[Esc] (2)
n. settlement or compromise of conflicting opinions; written agreement between two states

[Esc] (3)
n. act of gathering or amassing, as into a heap or pile

[Esc] (4)
a. expert at; very skilled; having or showing knowledge and skill and aptitude

[Esc] (5)
a. adjoining; neighboring; close to; lying near

[Esc] (6)
v. be next to; be contiguous to; border on

[Esc] (7)
a. in opposing direction; harmful or unfavorable; acting or serving to oppose

[Esc] (8)
v. assert; confirm

[Esc] (9)
n. state of being ambiguous; doubtfulness or uncertainty

[Esc] (10)
v. change for the better; improve; remove faults or errors