The opposite of best is worst.
Depending on the application, it could be least, worst, or smallest.
Shortest....?
the opposite of best is worst
least
Smallest.
word least because the opposite of most is least
Opposite is an absolute. There cannot be something which is more or most opposite.
Least
The opposite of few (small in number) would be many, or possibly most.
"Tacitly" is perhaps the most direct opposite. "Covertly" is another possibility.
more opposite, most opposite
The opposite of most (greatest in quantity or extent) is least.
The opposite of most (greatest in quantity or extent) is least.
more opposite, most opposite
more opposite, most opposite
word least because the opposite of most is least
Opposite is an absolute. There cannot be something which is more or most opposite.
The opposite of "most shrewd" would be "least shrewd."
The term most opposite of proximal is "distal."
The most accurate opposite of retract is protract
Least
No, the opposite of that.