clear; definite
certain, definite
having a definite result
definite
intentional and not by chance
intentional
(of a person, action) showing a serious wish to do something successfully
driven, persistent
(of looks) eager; earnest; (of a person) having, showing, serious and constant desire or attention
determined, resolute
not easily agreeing to an argument or being persuaded; stubborn
stubborn, determined
very determined
determined, strong-willed
thoughtful; not funny, silly or for pleasure; important because of danger; committed; sincere
somber, humorless
decided and fixed; (of opinions, habits etc) fixed and not to be changed; unmoving; a group of games (in tennis etc); a group of similar things; the position (of the body, clothes etc)
decided
fixed; unchanging; permanent; (of a person) feeling comfortable and established in a new home, place etc; (of a bill) paid
decided
serious and strict; not kind; (of the weather, attacks of disease etc) strong, extreme; making great demands on skill, ability, patience etc
uncompromising, stern
not subtle
clear
(of a person) determined to have one's own way; intentional
stubborn, obstinate