residual <a href='http://dictionary.cambridge.org/define.asp?dict=CALD&key=67212&ph=on' target='_blank' rel='nofollow'>http://dictionary.cambridge.org/define.asp?dict=CALD&key=67212&ph=on</a><br/>adjective<br/>remaining after most of something has gone:<br/>I still felt <b>some residual</b> bitterness ten years after my divorce.<br/><br/><br/><br/>I could not understand what "some residual" means here. Please explain it to me.