Definition of "cluttered" []

• Simple past tense and past participle of clutter. (verb)
• Scattered with a disorderly mixture of objects; littered (adjective)

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• "This technique is quite different from the prey detection style usually employed by vesper bats: a technique suited for short-range prey that are detected in cluttered habitats."
• "These bats use low wing loadings and low aspect ratios to practice slow, manoeuvrable flight as they glean for mostly terrestrial prey in cluttered habitats."
• "The resulting motion, which would resemble that of a real snake, would help the snakebot move safely in cluttered spaces."