the.com/peevish

The fully grown human equivalent of a cat who wants its food bowl moved two inches.

means Easily irritated, querulous, and bad-tempered over small thingssulky and hard to please.

from Recorded in English from the late Middle Ages, peevish first meant something more like 'silly,' 'spiteful,' or 'perverse' before settling into its modern sense of fretful crankiness. Its ultimate roots are murkyetymologists honestly don't agree, though some have linked it speculatively to Latin perversus, 'turned the wrong way,' which fits the spirit of a person turned contrary at the slightest provocation.

old rootsFrom Middle English, meaning silly, spiteful, or perverse.
small stakesReserved for irritation too petty to call rage.
face firstIt lives in the eyebrows before the mouth.
contagiousOne peevish person can sour an entire room.
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