Hinderer

hin·der ¹  (hndr)

v. hin·dered, hin·der·ing, hin·ders

v.tr.

1. To be or get in the way of.

2. To obstruct or delay the progress of.

v.intr.

To interfere with action or progress.

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[Middle English hindren, from Old English hindrian; see ko- in Indo-European roots.]

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hinder·er n.

Synonyms: hinder¹, hamper¹, impede, obstruct, block, dam¹, bar¹
These verbs mean to slow or prevent progress or movement. To hinder is to hold back and often implies stopping or prevention: The travelers were hindered by storms.
To hamper is to hinder by or as if by fastening or entangling: His clothes hampered his efforts to swim to safety.
To impede is to slow by making action or movement difficult: "Our journey was impeded by a thousand obstacles" (Mary Shelley).
Obstruct implies the presence of obstacles: A building obstructed our view of the mountains.
Block refers to complete obstruction that prevents progress, passage, or action: "Do not block the way of inquiry" (Charles S. Peirce).
Dam suggests obstruction of the flow, progress, or release of something: She dammed the brook to form a pool. He dammed up his emotions.
To bar is to prevent entry or exit or prohibit a course of action: The legislature passed laws that bar price fixing.

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hind·er ²  (hndr)

adj.

Variant of hind¹.