Learn the meaning, pronunciation, and usage of the verb expedite , which means to speed up or facilitate something. Find synonyms, antonyms, translations, and related words for expedite . Definition of expedite verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Discover the meaning of ' expedite ', explore its usage in everyday language, popular idioms, and fun facts that make this word fascinating. Perfect for learners and curious minds! Expedite definition: to speed up the progress of; hasten .. See examples of EXPEDITE used in a sentence.