hereinafter

adverb

here·in·af·ter ˌhir-ə-ˈnaf-tər

: in the following part of this writing or document

Word History

First Known Use

1590, in the meaning defined above

Time Traveler

The first known use of hereinafter was in 1590

See more words from the same year

Browse Nearby Words

hereinabove

hereinafter

hereinbefore

See all Nearby Words

Cite this Entry

Style

“Hereinafter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hereinafter. Accessed 31 Oct. 2025.

Copy Citation

More from Merriam-Webster

Word of the Day

hobgoblin

Listen to the pronunciation of hobgoblin

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

'Affect' vs. 'Effect'

Using Bullet Points ( • )

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

The Difference Between 'i.e.' and 'e.g.'

What’s the difference between ‘cemetery’ and ‘graveyard’?

Popular in Wordplay

Skibidi, Mog & More: Gen Alpha Slang

13 Wonderful Words That You're Not Using (Yet)

Ten More Words from Taylor Swift Songs

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE

Popular

'Affect' vs. 'Effect'

Skibidi, Mog & More: Gen Alpha Slang

13 Wonderful Words That You're Not Using (Yet)