acerbically

a·cer·bic

 (ə-sûr′bĭk) also a·cerb (ə-sûrb′)

adj.

1. Sour or bitter tasting; acid. See Synonyms at bitter, sour.

2. Sharp or biting, as in character or expression: "At times, the playwright allows an acerbic tone to pierce through otherwise arid or flowery prose" (Alvin Klein).

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[From Latin acerbus; see ak- in Indo-European roots.]

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a·cer′bi·cal·ly adv.

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.

acerbically

(əˈsɜːbɪkəlɪ)

adv

in an acerbic manner

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014