Hard TOEFL Words - Group 13

[Esc] (1)
n. capable of normal growth and development

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

[Esc] (3)
n. a cassette for videotape

[Esc] (4)
a. attentive to discover and avoid danger, or to provide for safety; wakeful

[Esc] (5)
n. active strength of body or mind; imaginative lively style, especially style of writing; exertion of force

[Esc] (6)
n. effectiveness, efficiency, or validity

[Esc] (7)
a. spread by word of mouth, with minimal intervention in order to create buzz and interest; caused by a virus

[Esc] (8)
n. ability to see; sight; vivid mental image

[Esc] (9)
n. a citizen who has a legal right to vote

[Esc] (10)
n. articles of merchandise; style or class of manufactures; especially, in the plural, goods; commodities; merchandise