different between erratic vs impetuous

English

Alternative forms

• erratick, erraticke, erratique (all obsolete)

Etymology

From Latin erraticus; compare Old French erratique.

Pronunciation

• IPA^(key): /???æt?k/
• Rhymes: -æt?k

Adjective

erratic (comparative more erratic, superlative most erratic)

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

   Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.

2. Deviating from normal opinions or actions; eccentric; odd.

   erratic conduct

Antonyms

• consistent

Derived terms

• erratical
• erratically
• erraticness

Translations

Noun

erratic (plural erratics)

1. (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.

2. Anything that has erratic characteristics.

Synonyms

• (glaciers): dropstone

Translations

Anagrams

• Cartier, cartier, cirrate, rice rat

English

Etymology

From Middle English impetuous, from Old French impetueux, from Late Latin impetu?sus (“violent”), from Latin impetus (“attack, violence”).

Pronunciation

• IPA^(key): /im?p?t?u?s/

Adjective

impetuous (comparative more impetuous, superlative most impetuous)

1. Making arbitrary decisions, especially in an impulsive and forceful manner.
   • 1880, John Weeks Moore, Complete Encyclopaedia of Music, "Beethoven, Louis Van":

     But it was natural, that the impetuous, restless young artist should incline more to excess of strength than of delicacy in his playing.

2. Characterized by sudden violence or vehemence.
   • 1794, Ann Radcliffe, The Mysteries of Udolpho, vol. II, chapter I:

     He stands, and views in the faint rays
     Far, far below, the torrent's rising surge,
     And listens to the wild impetuous roar

   • 1917 rev. 1925, Ezra Pound, "Canto I"

     Unsheathed the narrow sword,

     I sat to keep off the impetuous impotent dead ...

Synonyms

• impulsive
• hasty
• rash
• hotheaded

Derived terms

• impetuously
• impetuousness

Translations