em·phat·ic 
(ĕm-fătĭk)
(ĕm-fătĭk)adj.
1. Expressed or performed with emphasis: responded with an emphatic "no."
2. Forceful and definite in expression or action.
3. Standing out in a striking and clearly defined way.
4. Linguistics Pharyngealized, velarized, or ejective. Used of consonants in Semitic languages.
[Medieval Latin emphaticus, from Greek emphatikos, from emphainein, to exhibit, display; see EMPHASIS.]
em·phati·cal·ly adv.