ILL, a.—sick, indisposed, diseased. (Well.)
ILL-TEMPERED—crabbed, sour, acrimonious, surly. (Good-natured.)
ILL-WILL—enmity, antipathy. (Good-will.)
ILLEGAL—unlawful, illicit, contraband, illegitimate. (Legal.)
ILLIMITABLE—boundless, immeasurable, infinite.
ILLITERATE—unlettered, unlearned, untaught, uninstructed. (Learned, educated.)
ILLUSION—fallacy, deception, phantasm.
ILLUSORY—imaginary, chimerical. (Real.)
ILLUSTRATE—explain, elucidate, clear.
ILLUSTRIOUS—celebrated, noble, eminent, famous, renowned. (Obscure.)