English Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 218 expediency (n) Fitness to meet the requirements of a particular case expedient (adj) Contributing to personal advantage expedite (v) To hasten the movement or progress of expeditious (adj) Speedy expend (v) To spend expense (n) The laying out or expending or money or other resources, as time or strength expiate (v) To make satisfaction or amends for explicate (v) To clear from involvement