instability.
The antonym of mutation is stability.
standing still
Some antonyms for rotation are immobility, inaction, or fixed.
Synonym: stability, equalityAntonym: instability, discord, disarray, chaos
I don't believe one exists. Weather-vane is a noun and very few nouns have antonyms.Remember that an antonym is an opposite. For example, jackhammer is a noun and jackhammer has no antonym. Perhaps you want a synonym for weather-vane?
The alternate states are reciprocation, or stationary. Antonym is a concept of grammar in a particular language.
Some are imbalance, instability, and disequilibrium.
The antonym of the word 'synonym' is 'antonym'.
An antonym means "opposite". So an antonym for the word synonym is antonym.
The antonym for from is to. Because antonym means opposite.
The lack of revolution (change) could be stability, or status quo. Other terms that might apply would be submission (failure to revolt) or stagnation (lack of change).
now ____________ The word when does not have an antonym. Not every word has an antonym.