Amen Definition

ā-mĕn, ä-mĕn

interjection

Used at the end of a prayer or a statement to express assent or approval.

American Heritage

An expression of strong agreement.

Wiktionary

noun

Webster's New World

An instance of saying ‘amen’.

Wiktionary

A title of Christ; the Faithful One (especially with reference to Revelation 3:14)

Wiktionary

Synonyms:

adverb

At the end of religious prayers: so be it.

Wiktionary

At the end of a creed or in Koranic and Biblical translations: truly, verily.

At the end of surah Fatiha, you should say amen.

Wiktionary

Synonyms:

verb

To say Amen.

The whole congregation amened in unison.

Wiktionary

pronoun

An English surname.

Wiktionary

Other Word Forms of Amen

Singular:

amen

Plural:

Middle English from Old English from Late Latin āmēn from Greek from Hebrew ’āmēn certainly, verily from ’āman to be firm ℵmn in Semitic roots

From American Heritage Dictionary of the English Language, 5th Edition
From Ecclesiastical Latin āmēn, from Ancient Greek ἀμήν (amēn), from Classical Hebrew אמן (amén, “certainly, truly”) (cognate with Arabic آمين (ʾāmīn), Classical Syriac ܐܡܝܢ ('āmēn))

From Wiktionary