Syn.
— Destructive; ruinous; deadly; noxious; injurious; baneful;
deleterious; hurtful; mischievous.
— Per*ni"cious*ly, adv., — Per*ni"cious*ness, n.

PERNICITY
Per*nic"i*ty, n. Etym: [L. pernicitas. See 1st Pernicious.]

Defn: Swiftness; celerity. [R.] Ray.

PERNICKETY PERNICKETTY
{ Per*nick"et*y Per*nick"et*ty }, a.

Defn: Finical or fussy; full of petty details. [Colloq.]

PERNIO
Per"ni*o, n. Etym: [L.] (Med.)

Defn: A chilblain.

PERNOCTALIAN
Per`noc*ta"li*an, n.

Defn: One who watches or keeps awake all night.

PERNOCTATION Per`noc*ta"tion, n. Etym: [L. pernoctatio, fr. pernoctare to stay all night; per + nox, noctis, night.]