Word Root: ill

not good, not fit
From English: yfel
Sample words for the root ill: illegal, illegible, illiterate, illogical, illegitimate, illustrious, illuminate, illusion, illustration, illumination, illusive, illicit, illusory, illimitable, illuminating. Each word has meanings and examples. Click their buttons to get sentences selected from classic works and modern media.

Note Topics:MorphologyThe NounThe ArticleThe Pronoun
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Materials for Reading & Listening Practice
 Words of ill
1 illegal   Speak  
a. prohibited by law, by official, or by accepted rules
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2 illegible   Speak  
a. incapable of being read because of being unclear
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3 illegitimate   Speak  
a. not according to law; not regular or authorized; unlawful; improper
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4 illicit   Speak  
a. illegal; unlawful; not authorized or permitted
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5 illimitable   Speak  
a. without limits in extent, size, or quantity
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6 illiterate   Speak  
a. unable to read and write; uncultured or uneducated
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7 illogical   Speak  
a. not reasonable, wise, or practical, because of the emotions
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8 illuminate   Speak  
v. provide or brighten with light; clear up or make understandable; enlighten
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9 illuminating   Speak  
a. of illuminate; tending to increase knowledge; giving or producing light; used for illumination
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10 illumination   Speak  
n. degree of visibility of your environment
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11 illusion   Speak  
n. misleading vision; being deceived by a false perception or belief
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12 illusive   Speak  
a. deceptive; misleading; based on or having the nature of an illusion
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13 illusory   Speak  
a. deceptive or tending of deceive; not real
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14 illustration   Speak  
n. picture; drawing; showing by example
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15 illustrious   Speak  
a. possessing luster or brightness; brilliant; luminous; splendid
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