-thrifty; not wasteful; simple
His frugal habits allowed him to save money and stay out of debt.
-difficult, strenuous, or hard to achieve
After an arduous journey on foot, they finally reached their destination.
-to violate the sacredness of something; to profane; to treat as if not sacred
They desecrated the country's flag in protest.
Larry lost his job because he was an indolent employee who always slept at work.
-to make fun of; to scorn
The teacher always derided the students because of their work, so the parents complained to the principal.
-young and inexperienced; immature
The callow basketball player missed a very easy shot.
-outrageously evil or wicked
The violence he witnessed during the war was too heinous for him to talk about.
-overly or unduly careful about small details; extremely careful
The teacher was very meticulous about keeping the classroom clean.
-to improve or make better
The doctor gave him medicine to ameliorate the pain.
-to do away with or destroy; to blot out completely
After the company released their new product, it became so popular that it obliterated their competition.