Other spellings change

Pronunciation change

Noun change

Singular
adviser

Plural
advisers

  1. (countable) An adviser is a person who gives advice.

Usage notes change

In the United Kingdom, Ireland and Asia, the spelling is traditionally adviser, though the US spelling advisor is becoming more common.

In the United States, an adviser is usually used for someone giving advice without being asked, while an advisor is someone speaking with at least some amount of wisdom or authority.