verb🔗ShareTo form clusters or lumps."The wet sand clumped together in my bucket when I tried to build a sandcastle. "groupnaturebiologyChat with AIVocabulary GamePractice Reading
verb🔗ShareTo gather in dense groups."The sand clumped together when it got wet, making it difficult to pour. "groupbiologynatureChat with AIVocabulary GamePractice Reading
verb🔗ShareTo walk with heavy footfalls."Disappointed with his grade, the student clumped back to his desk, shoulders slumped. "bodyactionChat with AIVocabulary GamePractice Reading
verb🔗ShareTo strike; to beat."The bully clumped the smaller boy on the back of the head. "actionbodyChat with AIVocabulary GamePractice Reading