VAGARY
vagary
(noun) an unexpected and inexplicable change in something (in a situation or a person’s behavior, etc.); “the vagaries of the weather”; “his wealth fluctuates with the vagaries of the stock market”; “he has dealt with human vagaries for many years”
Source: WordNet® 3.1
Etymology
Noun
vagary (plural vagaries)
An erratic, unpredictable occurrence or action.
An impulsive or illogical desire; a caprice or whim.
Synonyms
• (impulsive or illogical desire): see whim
Anagrams
• Varyag
Source: Wiktionary
Va*ga"ry, n.; pl. Vagaries. Etym: [L. vagari to stroll about. See
Vague.]
1. A wandering or strolling. [Obs.]
2. Hence, a wandering of the thoughts; a wild or fanciful freak; a
whim; a whimsical purpose. "The vagaries of a child." Spectator.
They changed their minds, Flew off, and into strange vagaries fell.
Milton.
Source: Webster’s Unabridged Dictionary 1913 Edition