Definition
General
An abbreviation made plural by adding s without an apostrophe, such as FYs, KPIs or OKRs.
Example: The paper compares six KPIs across three FYs.
Also known as: plural acronym, plural initialism, abbreviation plural
Context: An apostrophe marks possession or omitted characters; it does not normally create a plural abbreviation.
Source checked for Plural abbreviation (opens in a new tab) Checked 2026-08-11