The opposite of reason is illogic, or irrationality.
The opposite of the verb to reason could be to react.
The opposite would be "unreasonable" (arbitrary, or illogical, senseless).
Increased is a reasonable antonym, considering that decreased is a synonym.
The opposite of silly could be sensible, practical, serious, or profound.
Reasonable solution or Reasonable answer
By no means is he being reasonable.
more reasonable, as reasonable as...; less reasonable; very/extremely reasonable, the most reasonable. [the first 3 forms are the Comparative; the 2 last ones - the Superlative].
Reasonable is the opposite of unreasonable
The opposite of "tag" in German is "Nacht," which means night.
circumspect, rational, reasonable, reasoned, supported
The opposite of realistic (in appearance) could be abstract, or surrealistic. The opposite of realistic (reasonable, practical) could be unrealistic, impractical, or infeasible.
Increased is a reasonable antonym, considering that decreased is a synonym.
The opposite of valuable is worthless.
Since the answer is meant to be an integer it seems reasonable to assume that the question is about the additive opposite. That being the case, the answer is -42.
If Lenz's law were the opposite, the law of conservation of energy would be violated. Therefore, it is not reasonable to assume that it can be made to behave the opposite of what it does.
In some English dialects, gay men were referred to as "bent," making "straight" a reasonable opposite.
AnswerYes, Treasury bonds generally "trend" in the opposite direction from the stock market.
The opposite of silly could be sensible, practical, serious, or profound.
Reasonable solution or Reasonable answer