acerb-, acerbo-; acri-, acrid-

(Latin: bitter, sharp, sour, stinging)

Formed from a blend of Latin acer- (feminine acris, neuter acre) which are both related to Latin acus, "needle"; acies, "sharp edge, point, the front of an army, line of battle, battle array"; and acuere, "to sharpen".

acrimoniously (adverb)
"They were mocking each other acrimoniously in the restaurant and then her husband started to argue acrimoniously with the waiter."
acrimoniousness
acrimony (s) (noun), acrimonies (pl)
1. Bitterness or harshness of temper, manner, or speech: Ina expresses her acrimonies with her neighbors with shouting and the stomping of her feet.
2. Emotional bitterness and angry feelings: Ted's dispute with his wife started again with increased acrimony.
An outburst of anger.
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acrinine
acrious
acritude (AK ri tood", AK ri tyood") (s) (noun), acritudes (pl)
1. A bitter pungency or penetrating taste combined with a burning flavor: Some people think that the acritude of an old strong smelling cheese cannot be tolerated and so they avoid having it on the table!
2. A caustic or harsh temper or bitterness in language: James was so tired and upset with the unruly students in his class that the acritude in his manner of speaking came through unexpectedly and all of the children were suddenly very quiet!
acrity
anacrid
Without bitterness.
eager
eagerly
eagerness
epacrid
exacerbate (verb), exacerbates; exacerbated; exacerbating
1. To increase the severity of, to aggravate, to exasperate, to irritate: Studies have found that smoking exacerbates and disrupts a restful night and causes sleep apnea, which is a disorder where breathing stops and starts while a person is sleeping which make it difficult to get restful sleep.
2. To increase the sharp stinging pain or bitterness of; to aggravate or to make a disease, pain, annoyance, etc. worse: When Steven was bitten by a mosquito, he scratched his skin at that spot and doing this exacerbated the itchiness of it even more and caused it to bleed.
To irritate or to make more violent.
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To render more bitter.
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To make someone more unpleasant.
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To aggravate.
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exacerbation (s) noun), exacerbations (pl)
An increase in the severity of a disease or any of its symptoms, as in a continuous fever.
exacerbescence
Showing violence or bitterness; an irritation.

Cross references of word families that are related directly, or indirectly, to: "sour, sharp": aceto-; acid-; acies- (not "sour"); acuto- (not "sour"); oxy-; pung- (not "sour").