In the question below choose the most appropriate option opposite in meaning to the word(s) underlined:
All through his years in public office, he found his father’s advice invaluable
The correct answer is: C
Explanation
invaluable means extremely useful; indispensable. (something is said to be invaluable mostly when a price cant be put on it. )
example "an invaluable source of information". the opposite of invaluable is worthless. which means having no real value or use.