Negative Words That Start with ILL

Explore 41 verified English negative words starting with ILL, including Ill, Illness, Illegal, Illicit, Illegitimate, Illiterate and Illogical. Browse these critical, cautionary, and unfavorable words by length below, or review grammatical rules and sentence examples in our negative words guide.

Refine list...
JUMP:
Sort:

Group:

Case:

View:

JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with ILL
1 words
ill
Starts with ILLA
2 words
illaudable
illaudably
Starts with ILLE
11 words
illegal
illegally
illegitimate
illegitimacy
illegality
illegible
illegitimately
illegibly
illegibility
illegalize
illegalization
Starts with ILLI
14 words
illicit
illiterate
illiteracy
illicitly
illiberal
illiberalism
illiterately
illicitness
illiberality
illiberally
illiterati
illiberalness
illiberalize
illiterateness
Starts with ILLN
1 words
illness
Starts with ILLO
5 words
illogical
illogically
illogic
illogicality
illogicalness
Starts with ILLT
1 words
illth
Starts with ILLU
5 words
illusory
illusive
illusively
illusiveness
illude
Starts with ILLY
1 words
illywhacker

•Browse Negative Words by Letter (A to Z)

Select a starting letter to browse negative words
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.
© 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.