(verb) hold back. Synonyms: restrain, encumber, cumber, constrain.
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Verb Definition 1
(adj) loaded to excess or impeded by a heavy load. Synonyms: encumbered (vs. unencumbered). Examples:"A summer resort...encumbered with great clapboard-and-stucco hotels"- a.j.liebling.""A hiker encumbered with a heavy backpack.""An encumbered estate."