different between ungentle vs caustic

English

Etymology

From un- +? gentle.

Adjective

ungentle (comparative more ungentle, superlative most ungentle)

1. Showing a lack of gentleness, kindness or compassion.

   Synonyms: cruel, harsh, rough, unkind

   • 1551, Ralph Robinson (translator), Utopia by Thomas More, London: Abraham Vele, Book 1,^[1]

     […] Moyses lawe, thoughe it were vngentle and sharpe […] yet it punnyshed thefte by the purse, and not wyth deathe.

   • c. 1597, William Shakespeare, Henry IV, Part 1, Act V, Scene 1,^[2]

     You have […] made us doff our easy robes of peace,

     To crush our old limbs in ungentle steel:

   • 1770, Francis Gentleman, The Dramatic Censor, London: J. Bell, Volume 2, p. 110,^[3]

     […] a well-conceived squabble arises, and very ungentle terms ensue:

   • 1848, Anne Brontë, The Tenant of Wildfell Hall, London: T. C. Newby, Volume 2, Chapter , p. 253,^[4]

     At length, however, the boisterous pastime terminated—suddenly, as might be expected: the little one was hurt and began to cry; and its ungentle playfellow tossed it into its mother’s lap, bidding her “make all straight.”

   • 1993, Vikram Seth, A Suitable Boy, New York: HarperCollins, Chapter 12.16, p. 805,^[5]

     ‘Dagh Sahib, a woman by herself—what place can she find in an ungentle world?’

2. (obsolete) Not acting according to accepted ethics or standards of behaviour.

   Synonyms: base, villainous, wicked

   • 1548, Edward Hall, The Union of the Two Noble and Illustre Famelies of Lancastre and Yorke, London: Richard Grafton, King Henry VI, year 15, p. 135,^[6]

     […] this vngentle prince, and forgetfull frend, puttyng in obliuion, bothe the dutie of his obeysaunce, toward his souereigne and liege lorde, and the oth and promise, that he made to kyng Henry, […] turned his backe to his frend and kynsman, and loked to the French part, whiche neuer did hym honor nor profite,

   • 1579, Anthony Munday, The Mirrour of Mutabilitie, London: John Allde, Book 2,^[7]

     What more deceit? then look thy Fréend in face:

     And woork his death, in most vngentle case.

   • c. 1590, William Shakespeare, Henry VI, Part 2, Act III, Scene 2,^[8]

     Ungentle queen, to call him gentle Suffolk!

     No more, I say: if thou dost plead for him,

     Thou wilt but add increase unto my wrath.

   • 1629, John Ford, The Lover’s Melancholy, London: H. Seile, Act III, Scene 1, p. 42,^[9]

     I will reward thee:

     But as for him, vngentle Boy, Ile whip

     His falshood with a vengeance.

Derived terms

• ungentleness
• ungently

Translations

English

Etymology

From the Latin causticus (“burning”), from the Ancient Greek ????????? (kaustikós, “burning”).

Pronunciation

• enPR: kôs't?k, k?s't?k, IPA^(key): /?k??st?k/, /?k?st?k/
• Rhymes: -??st?k

Adjective

caustic (comparative more caustic, superlative most caustic)

1. Capable of burning, corroding or destroying organic tissue.
2. (of language, etc.) Sharp, bitter, cutting, biting, and sarcastic in a scathing way.
   • 1853, Charlotte Brontë, Villette

     Madame Beck esteemed me learned and blue; Miss Fanshawe, caustic, ironic, and cynical

   • c. 1930, W.H.Auden, "The Quest"

     though he came too late / To join the martyrs, there was still a place / Among the tempters for a caustic tongue / / To test the resolution of the young / With tales of the small failings of the great

Synonyms

• (capable of destroying tissue): acidic, biting, burning, corrosive, searing
• (severe, sharp): bitchy, biting, catty, mordacious, nasty, sarcastic, scathing, sharp, spiteful, vitriolic

Derived terms

Related terms

Translations

Noun

caustic (plural caustics)

1. Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
2. (optics, computer graphics) The envelope of reflected or refracted rays of light for a given surface or object.
3. (mathematics) The envelope of reflected or refracted rays for a given curve.
4. (informal, chemistry) Caustic soda.

Derived terms

• lunar caustic

Translations