In a fickle manner; in a way that shows unreliable or unpredictable behavior.
Combines 'fickle' with the '-wise' suffix, which comes from Old English and means 'in the manner of' or 'with respect to.' This suffix was productive in Middle English but is rarely used to create new adverbs in modern English.
The '-wise' suffix created common words like 'likewise' and 'otherwise,' but most modern adverbs prefer '-ly' instead—'ficklewise' sounds archaic because English gradually standardized on '-ly' endings!
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