Meaning: The meaning of sanguine is someone who has cheerful temperament, confident.
Sanguine refers to someone or something the color of blood or a reddish color.
Example: All the sanguine expectations were not fully realized.
Synonyms: Cheerful, Upbeat, Enthusiastic, Hopeful
Antonyms: Down, Gloomy, Depressed, Sad

Meaning: Supervene means to follow closely (ensue).
To occur as an unexpected or extraneous development.
Example: Winds supervene from January to March every year.
Synonyms: Chase, Pursue, Ensue, Follow, Postdate
Antonyms: Precede, Retreat, Predate, Antedate

Meaning: To dawdle is to waste time or to move excessively slowly.
To move slowly, languidly or dilatorily.
Example: He dawdled away the whole morning.
Synonyms: Laze, Loiter, Procrastinate, Lag, Idle, Trifle
Antonyms: Rush, Forward, Hasten, Push, Hurry

Meaning: The meaning of impetuous is something that moves with a lot of force or done with little thought.
Example: We forbade ourselves to even discuss our impetuous actions and only focus on thoughtful approaches.
Synonyms: Ardent, Impulsive, Eager, Fierce, Spontaneous
Antonyms: Calm, Cautious, Reflective, Wise, Sensible

Meaning: Adjuvant means furnishing added support.
One who helps or facilitates; an assistant.
It also refers to an additive that enhances the effectiveness of medical treatment.
Example: It is added to other medicines, either as a corrective, or adjuvant.
Synonyms: Additional, Accessory, Auxiliary, Contributory
Antonyms: Necessary, Needed