• WordNet 3.6
    • adj acrid harsh or corrosive in tone "an acerbic tone piercing otherwise flowery prose","a barrage of acid comments","her acrid remarks make her many enemies","bitter words","blistering criticism","caustic jokes about political assassination, talk-show hosts and medical ethics","a sulfurous denunciation","a vitriolic critique"
    • adj acrid strong and sharp "the pungent taste of radishes","the acrid smell of burning rubber"
    • ***
Webster's Revised Unabridged Dictionary
    • Acrid Causing heat and irritation; corrosive; as, acrid secretions.
    • Acrid Caustic; bitter; bitterly irritating; as, acrid temper, mind, writing.
    • Acrid Sharp and harsh, or bitter and not, to the taste; pungent; as, acrid salts.
    • ***
Century Dictionary and Cyclopedia
    • acrid Sharp or biting to the tongue or integuments; bitterly pungent; irritating: as, acrid salts. Acrid substances are those which excite in the organs of taste a sensation of pungency and heat, and when applied to the skin irritate and inflame it. Acrid poisons, including those also called corrosive and escharotic, are those which irritate, corrode, or burn the parts to which they are applied, producing an intense burning sensation, and acute pain in the alimentary canal. They include concentrated acids and alkalis, compounds of mercury, arsenic, copper, etc.
    • acrid Figuratively, severe; virulent; violent; stinging: as, “acrid temper,” Cowper, Charity.
    • n acrid An acrid poison: as, “a powerful acrid,” Pereira, Mat. Med.
    • n acrid One of a class of morbific substances supposed by the humorists to exist in the humors.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Acrid ak′rid biting to the taste: pungent: bitter
    • ***


Webster's Revised Unabridged Dictionary
L. acer, sharp; prob. assimilated in form to acid,. See Eager
Chambers's Twentieth Century Dictionary
L. acer, acris, sharp—root ak, sharp.


In literature:

He had risen to his feet and holding his head back was drawing in great acrid breaths.
"The Best Short Stories of 1920" by Various
He could not burn it, for under an acrid exterior he had a kindly nature.
"The Book-Hunter" by John Hill Burton
The impalpable, formless brown fog was about him Its acrid scent of burning was in his nostrils.
"Despair's Last Journey" by David Christie Murray
A chlorinated mist, acrid to the eye, and burning to the nose, crawled about the room.
"Erik Dorn" by Ben Hecht
The tone of her conversation was at times acrid and gloomy.
"Mary Wollstonecraft" by Elizabeth Robins Pennell
Egmondanus and Vincent Dirks did not forgive Erasmus for having acridly censured their station and their personalities.
"Erasmus and the Age of Reformation" by Johan Huizinga
There was the acrid smell of box from the hedge beyond.
"Mistress Anne" by Temple Bailey
It had the acrid tang of smoke from fires burning on the mainland.
"The King Of Beaver, and Beaver Lights" by Mary Hartwell Catherwood
In the same way local irritants, like dust, severe rain and snow storms, smoke, and acrid vapors are contributing causes.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
The black rhinoceros feeds on a species of thorn known in Cape Colony as wait-a-bit, which gives it a somewhat acrid and bitter flavour.
"In the Wilds of Africa" by W.H.G. Kingston

In poetry:

With acrid eyes I see
The soul of things;
And equal unto me
Are cooks and kings;
I would not cross the street
A duke to meet.
"At The Parade" by Robert W Service
"The Moghra flowers that smell so sweet
When love's young fancies play;
The acrid Moghra flowers, still sweet
Though love be burnt away."
"Story Of Udaipore: Told" by Laurence Hope
Slowly, with lagging steps,
They follow the garden-path,
Crushing a leaf of box for its acrid smell,
Discussing what they shall do,
And doing nothing.
"A Roxbury Garden" by Amy Lowell

In news:

President Pays Price for Acrid Campaign Culture.
The canisters , which emit choking, acrid smoke, are meant to push back crowds.
My nostrils dilate while savoring the acrid odor of gunpowder and blood.
When the acrid fog of flash-bang grenades and tear gas cleared on last week's violent clash between protesters and police in Oakland, the city emerged as a new focal point of the worldwide Occupy movement.
No, not that UT fleabag hound of a mascot named Smokey, I'm talking about the wonderful sweet brown-sugary, slightly acrid tang that can only be achieved by the exposure to smoldering wood.
Local and visiting firefighters endured long hours, heat and acrid smoke Monday as they worked to contain a brush fire burning along the mountainside stretching from the Ingleside to Ada areas of Mercer County.
EXPLOSIONS AND THE ACRID smell of war still haunt the CNN anchor Bernard Shaw.
Round and round the orange Camaro went, slowly disappearing in a cloud of acrid smoke.
Thick billows of acrid smoke engulfed the stage of the Palladium about an hour into A$AP Rocky's sold-out concert on Friday night.
Inside a warehouse-turned-refugee encampment for animals soaked with oil, rescue teams wash acrid goo from the matted feathers of brown pelicans and other seabirds and try to nurse them to health.
That particularly American holiday is upon us, the one wherein millions of dollars are turned into bursts of flame and clouds of acrid smoke.
What an off-season it was, starting in the sweet smell of orange blossoms and ending with the acrid smell of summer sweat from athletes working to do it again.