Oxford Dictionary English talk down phrasal verbphrasal verb Add to my wordlistjump to other resultsPhrasal Verbstalk somebody/somethingdown Add to my wordlistjump to other resultsto help a pilot of a plane to land by giving instructions from the groundtalk somethingdown Add to my wordlistjump to other resultsto make something seem less important or successful than it really is You shouldn't talk down your own achievements. oxfordlearnersdictionaries.com