Definitionenpronunciation note: Usually pronounced (ɪl) before an unstressed syllable, and (ɪl) before a stressed syllable.
prefix Il- is added to words that begin with the letter 'l' to form words with the opposite meaning. ⇒ ...an awful illegible signature. ⇒ He could face a charge of illegally importing weapons.
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers