capricious
adjective
ca·pri·cious
kə-ˈpri-shəs
-ˈprē-
1
: governed or characterized by sudden irrational and unpredictable impulses or whims : impulsive
capricious actions
a capricious decision
… the belief … that we were mere pieces in the games of capricious gods.—
Diane Weber Bederman
broadly
: unpredictable, erratic
the capricious nature of the stock market
Tornadoes are among the planet's most fearsome phenomena, with terrifying and capricious wind speeds … —
Doyle Rice
2
law
: not supported by the weight of evidence or established rules of law
claimed the denial of benefits was arbitrary and capricious
capriciously
adverb
capriciousness
noun
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Merriam-Webster unabridged




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