The antonym of all is "none".
An antonym for waste could be spend. That's all I know.
An antonym of unidirectional (one direction) would be omnidirectional (all directions).
Stay, Stop, Pause, and Remain are all antonyms.
I don't think there is an antonym for raft. If you tried Dictionary.com, and looked at all the definitions, synonyms and antonyms, and there was no antonym; there probably isn't one.
It does not have antonym. Not all nouns do.
Nothing
Synonyms for "knapsack" are: * backpack * bookbag An antonym would be . . . books and belongings all over the sidewalk.
Not all words have perfect antonyms. But rain forest would come pretty close as an antonym for desert.
the number 4
The antonym of the word 'synonym' is 'antonym'.
One antonym of the word discrimination is impartiality.
First of all, orientate is not a proper English word. The correct word is orient. It's antonym is disorient.