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Related to acidulous: acidulous water


moderately acid or tart; sharp; caustic: an acidulous critique
Not to be confused with:
assiduous – constant; persevering; unremitting: assiduous investigation; continuous; tireless; diligent: an assiduous pursuit of perfection
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree


Slightly sour in taste or in manner.

[From Latin acidulus, diminutive of acidus, sour; see acid.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(əˈsɪdjʊləs) or


1. rather sour
2. sharp or sour in speech, manner, etc; acid
[C18: from Latin acidulus sourish, diminutive of acidus sour]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(əˈsɪdʒ ə ləs)

also a•cid•u•lent


1. slightly sour.
2. sharp; caustic: acidulous criticism.
3. moderately acid or tart; subacid.
[1760–70; < Latin acidulus. See acid, -ulous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.acidulous - being sour to the taste
sour - having a sharp biting taste
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


Having a taste characteristic of that produced by acids:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


[əˈsɪdjʊləs] ADJacídulo
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in classic literature ?
He had to be careful, for he was very sensitive to ridicule; and the acidulous humour with which the American treated the Church of England disconcerted him.
Castoriadis has conducted an acidulous critique on Lacan, starting from the understanding of imaginary which in Castoriadis is broader as related to representation.
The voice of Saul Bellow rises above this crowd in its hard-grieving and acidulous verve.
TASS A Fringe on a hat B Drinking-cup C Acidulous who am I?
In that respect, they are reminiscent of the viewpoint of Lincoln's own elite bureaucratic contemporaries-the acidulous Adam Gurowski, the unsatisfiable Wendell Phillips, the ambitious Salmon Chase--who could not imagine how someone as gauche and uncertified as Abraham Lincoln could possibly pilot the country through the shoals of chaos.
Liebeck's tone isn't sumptuous, and tended to take on an acidulous edge under pressure, but his slightly wiry sound suited a vigorous approach in which Sibelius's demanding passages were skilfully negotiated.
It is hardly simplistic--"irritable mental gestures which seek to resemble ideas," in Trilling's acidulous formulation.
The chosen value of concentration allows to estimate the efficiency of received sorbents to remove of iron ions from acidulous industrial wastes.
Some day I will surprise him by walking into his office with a faint, acidulous, sardonical smile.
(1272) There is something acerbic or, as Costello earlier describes herself at this stage of life, "acidulous" in the character's literary assessment, and also something that seems, on the evidence of the African work presented in the anthology, misdirected, wrong.
"Insider publishing stuff delivered with acidulous wit." BARBARA HOFFERT