Stories of USA Today
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n.
guidance of ships or airplanes from place to place


Spelling Word: navigation
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n.
act of denying; assertion of the nonrealistic or untruthfulness of anything


Spelling Word: negation
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n.
colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume


Spelling Word: nitrogen
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n.
small cut; V-shaped or U-shaped indentation carved or scratched into a surface


Spelling Word: notch
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a.
belonging to number; denoting number; consisting in numbers; expressed by numbers, and not letters


Spelling Word: numerical
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a. Syn. required
morally or legally constraining; required; binding


Spelling Word: obligatory
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a.
happy and ready to do favors for others


Spelling Word: obliging
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a. Syn. outmoded; antiquated
no longer useful; outmoded; antiquated


Spelling Word: obsolete
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n. Syn. antagonist; adversary
contestant; someone who offers opposition ; adverse; hostile; opposing


Spelling Word: opponent
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a.
not obligatory; left to choice; not compulsory or automatic


Spelling Word: optional