fickly
Definitions
In a manner characterized by frequent, unpredictable changes in interest, loyalty, or affection.
In a way that is erratic, unstable, or lacking consistency.
Examples
The weather shifted fickly throughout the afternoon, alternating between bright sunshine and heavy rain.
He behaved fickly during the negotiations, constantly changing his demands without any clear reason.
The stock market reacted fickly to the news, surging one moment and plummeting the next.
Synonyms
capriciously erratically unpredictably inconsistently volatily changeably whimsically
Antonyms
steadily consistently reliably dependably constantly predictably firmly