Definition of all-overishness in English:

all-overishness

noun

rare, informal
  • A feeling of illness or extreme agitation seeming to affect the whole body.

Origin

Early 19th century; earliest use found in Martha Wilmot (1775–1873). From all-overish (although this is first attested very slightly later) + -ness.

Pronunciation

all-overishness

/ˌɔːlˈəʊv(ə)rɪʃnɪs/