Definitions

1. noun

A person who strongly supports a particular cause, organization, or ideology

“The activist was an adherent of the environmental movement.”

2. noun

A substance that sticks or adheres to another surface

“The adhesive was a strong adherent of the plastic sheet.”

3. verb

To stick or adhere to something

“The paint adhered well to the wall after it dried.”

4. verb

To support or follow a particular cause, organization, or ideology

“She adhered to her principles and refused to compromise.”