Forceful
Part of speech: adjective
Definition: With assertive force; powerful.
Example sentence: Our purpose in Vietnam is to prevent the success of aggression. It is not conquest, it is not empire, it is not foreign bases, it is not domination. It is, simply put, just to prevent the forceful conquest of South Vietnam by North Vietnam.
Emphatic
Part of speech: adjective
Definition: Characterized by emphasis.Stated with conviction.belonging to set of English tense forms comprising the auxiliary verb do + an infinitive without toof obstruent consonants in Semitic languages.
Example sentence: I answer in the affirmative with an emphatic 'No.'