to give emphasis to (something)
stress, give priority to
Cases of word usage
1) (used to emphasize annoyance etc) (damned)
2) a line drawn under a word or words; to emphasize (a remark, warning etc) (underline)
3) itself and no other; truly such; extreme; (sued to emphasize an adv or adj); (used to emphasize a superlative or similar word such as 'last', 'same', 'first' etc) in the greatest possible degree (very)