Hard TOEFL Words - Group 13

[Esc] (1)
ad. as the alternative to or in contrast with; used to link two or more opposing or contrasting elements

[Esc] (2)
n. act of vibrating; a shaky motion

[Esc] (3)
a. attentive to discover and avoid danger, or to provide for safety; wakeful

[Esc] (4)
n. effectiveness, efficiency, or validity

[Esc] (5)
v. make vicious and defamatory statements about; attempt to degrade by slander; defame

[Esc] (6)
a. spread by word of mouth, with minimal intervention in order to create buzz and interest; caused by a virus

[Esc] (7)
ad. almost completely; practically; essentially

[Esc] (8)
v. decrease in size or strength; draw gradually to an end

[Esc] (9)
n. articles of merchandise; style or class of manufactures; especially, in the plural, goods; commodities; merchandise

[Esc] (10)
n. any of many types of stinging flying insect