1. Definition: 1. an unforeseen obstacle

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1. Definition: 1. incite or stimulate; "The Academy was formed to spur research"

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1. Definition: 1. sweep the length of; "The gunfire raked the coast"

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1. Definition: 1. a tall tower that forms the superstructure of a building (usually a church or temple) and that tapers to a point at the top

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1. Definition: 1. full of hardship or trials; "the rocky road to success"; "they were having a rough time"

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1. Definition: 1. having or made by a thin edge or sharp point; suitable for cutting or piercing; "a sharp knife"; "a pencil with a sharp point"

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1. Definition: 1. hard as granite; "a granitic fist"

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1. Definition: 1. hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense

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1. Definition: 1. having an irregular outline; "text set with ragged right margins"; "herded the class into a ragged line"

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1. Definition: 1. in a zigzag course or on a zigzag path; "birds flew zigzag across the blue sky"

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1. Definition: 1. sturdy and strong in constitution or construction; enduring; "with a house full of boys you have to have rugged furniture"

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1. Definition: 1. move by degrees in one direction only; "a ratcheting lopping tool"

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1. Definition: 1. a tall tower that forms the superstructure of a building (usually a church or temple) and that tapers to a point at the top

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1. Definition: 1. (especially of rows as of troops or mountains) pressed together; "in serried ranks"

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1. Definition: 1. notched like a saw with teeth pointing toward the apex

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1. Definition: 1. tooth on the rim of gear wheel

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1. Definition: 1. resembling a serpent in form; "a serpentine wall"; "snaky ridges in the sand"

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