FRICTION

n. 1 abrasion, rubbing, abrading, chafing, fretting, attrition, scraping, grating, erosion Friction is always accompanied by heat 2 disagreement, discord, conflict, contention, dispute, dissension, disharmony, controversy, dissent, bickering, argument, wrangling, ill feeling, ill will, bad blood, animosity, rivalry, hostility, antagonism, strife Politics have always been a source of friction between them