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1. Capable of burning, corroding, dissolving, or eating away by chemical action.
2. Sarcastic or cutting; biting: "The caustic jokes ... deal with such diverse matters as political assassination, talk-show hosts, medical ethics" (Frank Rich).
3. Given to making caustic remarks: a caustic TV commentator.
1. A caustic material or substance.
2. A hydroxide of a light metal.
3. The enveloping surface formed by light rays reflecting or refracting from a curved surface, especially one with spherical aberration.

[Middle English caustik, from Latin causticus, from Greek kaustikos, from kaustos, from kaiein, kau-, to burn.]

caus′ti·cal·ly adv.
caus·tic′i·ty (kô-stĭs′ĭ-tē) n.
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.caustically - in a caustic vitriolic manner; "he addressed her caustically"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
بِصورَةٍ لاذِعَةٍ أو جارِحَةٍ
acı/dokunaklı bir şekilde


[ˈkɔːstɪkli] adv [say, remark, observe] → de façon caustiquecaustic soda nsoude f caustique
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


adv say, remarkbissig; his new book is caustically funnysein neues Buch ist auf bissige Art lustig
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˈkɔːstɪklɪ] advcausticamente
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


(ˈkoːstik) adjective
1. burning by chemical action. caustic soda.
2. (of remarks) bitter or sarcastic. caustic comments.
ˈcaustically adverb
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in classic literature ?
You are quite expert at making up your mind as to whom other people should marry," retorted Anne, rather caustically.
Grimwig, caustically; after an attentive perusal of Mr.
71.] has caustically observed that he 'withdraws from the turmoil of the real universe into the fortress of his own mind, and beats the enemy in toy battles with toy soldiers.' He never succeeded in presenting to the satisfaction of most good critics a vigorous man in vigorous action.
It was not his soul, it was his mere phantom he had left behind on this earth--thought Razumov, smiling caustically to himself while he crossed the room, utterly forgetful of where he was and of Councillor Mikulin's existence.
Marr used to caustically list one of his hobbies as 'remembering the names of my children'.
Being on good terms with your former lover is a nice idea, but Susan is so caustically cruel, and everyone else so back stabby, that one might well wonder why they bother.
Herman's Hermits rose to fame in the pop-saturated 1960s after being signed by ace producer Mickie Most - "more for Noone's youthful good looks than their musical talents," as one commentator has noted caustically.
She caustically toasts the bridegroom, her ex-fiance:``I'vealways thought about having a child,'' she says.``But not as a husband.''
The Independent Media Centre website,, has caustically written underneath: "A lot done.
And when asked if he realised that would stop Fowler from playing for England - because of lack of match fitness - the French coach caustically replied: "I am not paid by the FA to pick players, I decide what is best for Liverpool."
Israel's relentless squeezing of what is allowed into Gaza is an horrific and deliberate policy that government adviser Dov Weisglas caustically described, in 2006, as "putting the Palestinians on a diet, but not to make them die of hunger".