Difference between Irritating and Pestiferous

IRRITATING vs PESTIFEROUS: ADJECTIVE

Likely to spread and cause an epidemic disease
Contaminated with infecting organisms
Causing irritation or annoyance
Producing or breeding infectious disease.
Infected with or contaminated by an epidemic disease.
Morally evil or deadly; pernicious.
Bothersome; annoying.
Pest-bearing; pestilential; noxious to health; malignant; infectious; contagious.
Noxious to peace, to morals, or to society; vicious; hurtful; destructive.
Containing organisms that cause contagious diseases
Annoying, vexatious
Tending to corrupt or pervert

Noxious in any manner; mischievous; malignant; annoying.
Plague-bearing; pestilential; infectious; contagious: as, pestiferous particles.

Stimulative, Teasing, Vexing, Nettlesome, Pestiferous, Pestering, Vexatious, Painful, Pesky, Irritative, Uncomfortable, Galling, Disagreeable, Bothersome, Annoying

Pestilential, Pestilent, Plaguy, Plaguey, Vexing, Galling, Teasing, Nettlesome, Vexatious, Disagreeable, Pestering, Bothersome, Irritating, Annoying, Pesky

Stimulative, Teasing, Vexing, Nettlesome, Pestiferous, Pestering, Vexatious, Painful, Pesky, Irritative, Uncomfortable, Galling, Disagreeable, Bothersome, Annoying

Pestilential, Pestilent, Plaguy, Plaguey, Vexing, Galling, Teasing, Nettlesome, Vexatious, Disagreeable, Pestering, Bothersome, Irritating, Annoying, Pesky

One in three recyclers finds that very irritating.
UVA and UVB rays without irritating sensitive skin.
Ugh, that lecturer you mentioned sounds seriously irritating.
No more irritating ringtones, just use that flash.
Great tool for business, has some irritating features.
These can be very irritating to sensitive skin.
It was, I felt, a rather irritating habit.
Very irritating considering I never asked for extensions.
The irritating bastards everyone else had hoped to lose clung on in their posts as irritating bastards always do.
Page that an exceptionally irritating witness had eventually succeeded in irritating the Judge.

Pestiferous of these have shown promise in the TRENTAL was negative, but Lloyd's study in TRENTAL was positive.
Instance poisonous and pestiferous diseases, fretting and festering sores, fires, breaches of water, and enemies entering within the walls of a city.
In which the soueraigne truth of Catholike doctrine, is faythfully deliuered: against the pestiferous writings of all English Sectaryes.
So pestiferous is this poisonous tree, that the earth around it for some distance produces neither grass nor vegetable life of any kind.
He had hitched his wagon to a star and been landed in a pestiferous marsh.