* Correct pairs matched by color, not alignment
sedulous - Persevering and constant in effort or application.
Usage: Her sedulous efforts to learn French eventually enabled her to become almost fluent.
chastened - Punished, especially by reproof or reprimand.
Usage: Their mothers chastened the children for playing in the mud.
seminal - Highly influential in an original way; constituting or providing a basis for further development.
Synonyms: germinal, originative
Usage: He prepared a speech describing his experiment, never realizing that his presentation would be the seminal event in the development of a new theory.
vitriolic - Bitterly scathing; caustic.
Usage: His vitriolic speech attacking his opponent hurt his popularity with voters.
salubrious - Conducive or favorable to health or well-being.
Synonyms: healthy, good for you
Usage: She owned a cheerful vegetarian restaurant where she sold protein shakes and other salubrious refreshments.
