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PlainSpell

RMA

noun

RMA is a noun meaning “Initialism of return merchandise authorization /return merchandise authorisation” (English Wiktionary, September 2026). It is spelled R-M-A, and it appears about once in every 2 million words in written English (wordfreq, 2021 data). The plural of RMA is RMAs.

What does RMA mean?

noun

  1. 1

    Initialism of return merchandise authorization /return merchandise authorisation.

    Shipments without a valid RMA number will not be accepted.

  2. 2

    USInitialism of recruit master-at-arms.

  3. 3

    Initialism of rich mobile application.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of RMA

  • RMAs plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is RMA?

RMA appears about once in every 2 million words in written English, the 46,473rd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).