participate meaning, definition, what is participate : to take part in an activity or event: Learn more. Learn the meaning, pronunciation, and usage of the verb participate , which means to be active or involved in something or to share in something. Find synonyms, antonyms, translations, and related words for participate . Participate definition: To be active or involved in something; take part. To take part, be or become actively involved, or share (in).... Click for English pronunciations, examples sentences, video.