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unpredictably

American  
[uhn-pri-dikt-uhb-lee] / ˌʌn prɪˈdɪkt əb li /

adverb

  1. in a way that cannot be predicted or anticipated.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Other blood cancers behave differently, often growing faster and more unpredictably, making them harder for transplanted immune cells to keep in remission.

From The Wall Street Journal • Apr. 19, 2026

Adès, who has his own unpredictably whimsical side, conducts as though he had written the score himself and shares his pleasure with every delightful effect.

From Los Angeles Times • Mar. 27, 2026

It warned that "when applied unpredictably, tariffs are inherently disruptive, undermining confidence and stability across global markets and creating further uncertainty across international supply chains".

From Barron's • Feb. 22, 2026

These larger clusters scatter sunlight less effectively and behave unpredictably in the atmosphere.

From Science Daily • Oct. 21, 2025

She spared him from doing either by bursting unpredictably into tears.

From "Catch-22" by Joseph Heller