chaotic

Meanings

1. 1
   adj

   Completely confused and disorganized.

   The first day at the new office was utterly chaotic.

2. 2
   adj

   In science, so sensitive to small changes that the outcome cannot be predicted.

   The system's chaotic behaviour makes long-term forecasts impossible.

From Late Latin chaoticus (“of or pertaining to the primordial state of the universe”), from Latin chaos (“chaos”) + -ticus (suffix forming adjectives from nouns); analysable as chaos + -otic. Doublet of gassy.

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