To adhere closely; to stick; to hold fast; to cling.
- To split with or as if with a sharp instrument. See Synonyms at tear1.
- To make or accomplish by or as if by cutting: cleave a path through the ice.
- To pierce or penetrate: The wings cleaved the foggy air.
- Chemistry To split (a complex molecule) into simpler molecules.
- Mineralogy To split or separate, especially along a natural line of division.
- To penetrate or pass through something, such as water or air.
- To adhere, cling, or stick fast.
- To be faithful: cleave to one's principles.