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Erratic vs Fluctuation - What's the difference?

erratic | fluctuation |

As nouns the difference between erratic and fluctuation

is that erratic is a rock moved from one location to another, usually by a glacier while fluctuation is a motion like that of waves; a moving in this and that direction.

As an adjective erratic

is unsteady, random; prone to unexpected changes; not consistent.

erratic

English

Alternative forms

* erratick, erraticke, erratique (obsolete)

Adjective

(en adjective)
  • unsteady, random; prone to unexpected changes; not consistent
    • Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.
  • Deviating from the common course in opinion or conduct; eccentric; odd.
    • erratic conduct

    Derived terms

    * erratically

    Antonyms

    * consistent

    Noun

    (en noun)
  • (geology) A rock moved from one location to another, usually by a glacier.
  • * 2003 , (Bill Bryson), A Short History of Nearly Everything , BCA 2003, p. 372:
    • The term for a displaced boulder is an erratic , but in the nineteenth century the expression seemed to apply more often to the theories than to the rocks.
  • Anything that has erratic characteristics.

    • Anagrams

    *

    fluctuation

    English

    Noun

    (en noun)
  • A motion like that of waves; a moving in this and that direction.
    • the fluctuations of the sea
  • A wavering; unsteadiness.
    • fluctuations of opinion
    fluctuations of prices
  • In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.

    • Related terms

    * fluctuate