different between caustic vs rough

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

English

Alternative forms

• ruff (colloquial)

Etymology

From Middle English rough, rogh, ro?e, row, rou, ru, ru?, ruh, from Old English r?g, r?h, from Proto-Germanic *r?haz. Cognate with Scots ruch, rouch (“rough”), Saterland Frisian ruuch, rouch (“rough”), West Frisian rûch (“rough”), Low German ruuch (“rough”), Dutch ruig (“rough”), German rau(h) (“rough”).

Pronunciation

• (Received Pronunciation, General American) IPA^(key): /??f/
• Rhymes: -?f
• Homophone: ruff

Adjective

rough (comparative rougher, superlative roughest)

1. Not smooth; uneven.
   • 1922, Virginia Woolf, Jacob's Room Chapter 1

     The rock was one of those tremendously solid brown, or rather black, rocks which emerge from the sand like something primitive. Rough with crinkled limpet shells and sparsely strewn with locks of dry seaweed, a small boy has to stretch his legs far apart, and indeed to feel rather heroic, before he gets to the top.

2. Approximate; hasty or careless; not finished.

3. Turbulent.
   • 1927-29, M.K. Gandhi, The Story of My Experiments with Truth, translated 1940 by Mahadev Desai, Part I, Chapter xii:

     With my mother's permission and blessings, I set off exultantly for Bombay, leaving my wife with a baby of a few months. But on arrival there, friends told my brother that the Indian Ocean was rough in June and July, and as this was my first voyage, I should not be allowed to sail until November.

4. Difficult; trying.

5. Crude; unrefined

6. Violent; not careful or subtle

7. Loud and hoarse; offensive to the ear; harsh; grating.

   • But most by Numbers judge a Poet's song,
     And smooth or rough, with them

8. Not polished; uncut; said of a gem.

9. Harsh-tasting.

10. (chiefly Britain, colloquial, slang) Somewhat ill; sick
11. (chiefly Britain, colloquial, slang) Unwell due to alcohol; hungover

Antonyms

• smooth

Derived terms

Translations

Noun

rough (plural roughs)

1. The unmowed part of a golf course.
2. A rude fellow; a coarse bully; a rowdy.
3. (cricket) A scuffed and roughened area of the pitch, where the bowler's feet fall, used as a target by spin bowlers because of its unpredictable bounce.
4. The raw material from which faceted or cabochon gems are created.
5. A quick sketch, similar to a thumbnail but larger and more detailed, used for artistic brainstorming.
6. (obsolete) Boisterous weather.

   (Can we find and add a quotation of Fletcher to this entry?)

7. A piece inserted in a horseshoe to keep the animal from slipping.

Derived terms

Translations

Verb

rough (third-person singular simple present roughs, present participle roughing, simple past and past participle roughed)

1. To create in an approximate form.

2. (ice hockey) To commit the offense of roughing, i.e. to punch another player.
3. To render rough; to roughen.
4. To break in (a horse, etc.), especially for military purposes.

   (Can we find and add a quotation of Crabb to this entry?)

5. To endure primitive conditions.
6. (transitive) To roughen a horse's shoes to keep the animal from slipping.

Derived terms

Translations

Adverb

rough (comparative more rough, superlative most rough)

1. In a rough manner; rudely; roughly.

Derived terms

• sleep rough