Meaning: Someone or something that is resplendent has great beauty and is a pleasure to behold
Resplendent is full of splendor or dazzling.
Example: She’s defiant, resplendent and impossible to turn away from.,br/> Synonyms:Radiant, Blazing, Dazzling, Gorgeous, Lustrous
Antonyms: Dull, Dark, Ugly, Bad

Meaning: Sullen means being withdrawn and appearing sad
Example: Your sullen face depicts it all.
Synonyms: Upset, Brooding, Churlish, Gloomy, Morose
Antonyms: Bright, Pleasant, Cheerful, Happy, Joyful

Meaning: Approbate means to approve or sanction officially, accept as valid.
Example:I approbate the one, I reprobate the other.
Synonyms: Accept, Allow, Approve, Consent, Sanction
Antonyms: Contradict, Repudiate, Invalidate, Disagree, Reject

Meaning: To denounce is to take a public stand against something and make clear you don't like or are condemning it.
To denounce is to tattle, rat out, or speak out against something.
Example: He denounced the Nazis all his life.
Synonyms: Condemn, Attack, Accuse, Boycott, Castigate, Excoriate
Antonyms: Applaud, Approve, Exalt, Exonerate, Praise

Meaning: Dubious is something that is unlikely to be true, open to suspicion or doubt.
Example: I am dubious about your plans for that trip.
Synonyms:Doubtful, Questionable, Arguable, Skeptical, Questionable
Antonyms: Believable, Certain, Definite, Determined