Hard TOEFL Words - Group 8

[Esc] (1)
n. an odorless, colorless, flammable gas, CH4, the major constituent of natural gas

[Esc] (2)
n. subway system; underground railway; metropolitan area

[Esc] (3)
a. city center; one who lives in a city center

[Esc] (4)
v. cancel out; make ineffective or invalid; deny

[Esc] (5)
ad. anyway; however

[Esc] (6)
v. darken; make dim or indistinct; conceal in obscurity

[Esc] (7)
n. an event that happens

[Esc] (8)
n. act of neglecting to perform an action one has an obligation to do; something omitted or neglected

[Esc] (9)
a. continuous; existing

[Esc] (10)
n. beginning or early stages; offensive against enemy