a physical sticking to as if by glue <you'd think these refrigerator magnets would have better adherence—they fall off every time I open the door>
the following of a custom, rule, or law <adherence to convention requires that the couple send out formal wedding invitations> Related Words deference
Near Antonyms brush-off
Seen & Heard
What made you want to look up adherence? Please tell us where you read or heard it (including the quote, if possible).