/ Dictionary / Index K ker-,: Meaning and Definition of Find definitions for: ker- Pronunciation: [key] an unstressed syllable prefixed to onomatopoeic and other expressive words, usually forming adverbs or interjections: kerflop; kerplunk; ker-splosh. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. kept Kerak Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language