Addition

8 lettersnouncommon

Updated June 2026

Definition

The action or process of adding something to something else. In mathematics, the process of calculating the total of two or more numbers.

“The addition of herbs enhanced the flavour of the dish.”

Pronunciation

IPA

/əˈdɪʃən/

Syllables

ad·di·tion

Related Words

Synonyms

supplement extra

Antonyms

subtraction

Word Game Tips

🟩

Wordle

Contains double D and -TION ending; three vowels

🔤

Scrabble

Worth 10 points; double D offers positioning options

Words Related to Addition

Words you can make from Addition

Shorter words formed from the letters in “addition”.

addio adion ainoi daint danio didna didnt diota dioti doand doina donat donia idant iddat iddio idion idiot india iodid iodin niota nitid noddi

Add a letter to make a longer word

9-letter words you can spell by adding one letter to “addition”.

addiction additions

Longer words starting with Addition

Words that begin with “addition”.

additions additional additionally

Explore Similar Words

8-letter words starting with A 8-letter words ending with N All 8-letter words 7-letter words 9-letter words All word lists

Try These Tools

Anagram Solver Scrabble Helper Crossword Solver Spelling Bee Solver

Dictionary References

Look up addition in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

Download Word Challenge for unlimited word puzzles, a fresh Daily Challenge, and head-to-head multiplayer. Guess the hidden word in six tries or fewer!

Download Free