forceful β full of force; powerful; vigorous; effective: a forceful plea for peace.
categorical β If you are categorical about something, you state your views very definitely and firmly.
definite β If something such as a decision or an arrangement is definite, it is firm and clear, and unlikely to be changed.
unequivocal β not equivocal; unambiguous; clear; having only one possible meaning or interpretation: an unequivocal indication of assent; unequivocal proof.
insistent β earnest or emphatic in dwelling upon, maintaining, or demanding something; persistent; pertinacious.
vigorous β full of or characterized by vigor: a vigorous effort.
assertive β Someone who is assertive states their needs and opinions clearly, so that people take notice.
confident β If you are confident about something, you are certain that it will happen in the way you want it to.
definitive β Something that is definitive provides a firm conclusion that cannot be questioned.
impressive β having the ability to impress the mind; arousing admiration, awe, respect, etc.; moving; admirable: an impressive ceremony; an impressive appearance.
pronounced β strongly marked: a pronounced fishy taste.
resounding β making an echoing sound: a resounding thud.
accented β Language or speech that is accented is spoken with a particular accent.
assured β Someone who is assured is very confident and relaxed.
certain β If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it.
cogent β A cogent reason, argument, or example is strong and convincing.
determined β If you are determined to do something, you have made a firm decision to do it and will not let anything stop you.
direct β to manage or guide by advice, helpful information, instruction, etc.: He directed the company through a difficult time.
distinct β distinguished as not being the same; not identical; separate (sometimes followed by from): His private and public lives are distinct.
dogmatic β relating to or of the nature of a dogma or dogmas or any strong set of principles concerning faith, morals, etc., as those laid down by a church; doctrinal: We hear dogmatic arguments from both sides of the political spectrum.
dynamic β (of a process or system) Characterized by constant change, activity, or progress.
earnest β serious in intention, purpose, or effort; sincerely zealous: an earnest worker.
solemn β grave, sober, or mirthless, as a person, the face, speech, tone, or mood: solemn remarks.
stressed β importance attached to a thing: to lay stress upon good manners. Synonyms: significance, meaning, emphasis, consequence; weight, value, worth.
striking β Military. describing a fighter-bomber aircraft designed to carry large payloads at high speeds and low altitudes and also to engage in air-to-air combat.
strong β having, showing, or able to exert great bodily or muscular power; physically vigorous or robust: a strong boy.
trenchant β incisive or keen, as language or a person; caustic; cutting: trenchant wit.
ringing β a ringing sound, as of a bell or bells: the ring of sleigh bells.
obvious β easily seen, recognized, or understood; open to view or knowledge; evident: an obvious advantage.
glaring β shining with or reflecting a harshly bright or brilliant light.
clear β Something that is clear is easy to understand, see, or hear.