10 Letter Words Starting with DEF

This word list gathers 43 English 10 letter words that start with DEF, such as Definition, Definitive, Deficiency, Defamation, Deflection, Defensible and Defenseman. Use the interactive filters below to sort alphabetically or by length, and check definitions for every word.

Playing a word game? Score tiles & test blanks
Word Finder
Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with DEFA6 words
defamation
defamatory
defacement
defalcator
defaceable
defacingly
Starts with DEFE15 words
defensible
defenseman
defendable
defecation
defeatable
deferrable
defensibly
defeasible
defeatedly
defeasance
defeminize
defeasibly
defecatory
defervesce
defectible
Starts with DEFI8 words
definitely
definition
definitive
deficiency
defilement
definitize
definitude
definement
Starts with DEFL4 words
deflection
deflective
deflagrate
deflowerer
Starts with DEFO5 words
deformable
deforester
defoliator
deformedly
deforciant
Starts with DEFR3 words
defragment
defrayment
defrayable
Starts with DEFU2 words
defunctive
defunction

•Browse Words by Letter (A to Z)

Select a starting letter to browse words
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.