/ Dictionary / Index S Sickert: Meaning and Definition of Find definitions for: Sick•ert Pronunciation: (sik'urt), [key] 1860–1942, English painter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sicker sick headache Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language