emˈphasize or emˈphasise transitive verb

1. To make emphatic
2. To lay stress on

emphatˈic /im- or em-fatˈik/ adjective (also (rare) emphatˈical)

1. Expressed or expressing with emphasis
2. Stressed forcibly
3. Impressive
4. Strongly marked
5. Of some Arabic consonants, pronounced with dental articulation and accompanying pharyngeal constriction (linguistics)

An emphatic consonant

emphatˈically adverb

emphatˈicalness noun