ETYM Latin acidus sour, from the root ak to be sharp: cf. French acide. Related to Acute.
(Chemistry) Containing acid.
1. Harsh or corrosive in tone
2. Being sour to the taste
3. Having the characteristics of an acid

1. Supplied with carbon dioxide; SYN. charged.
2. (Of a liquid) Treated by having air passed or bubbled through it for purification.

1. Severely inflamed and painful.
2. Feeling or showing anger.
3. (Of the elements) As if showing violent anger; SYN. furious, raging, tempestuous, wild.

1. Of a stern or strict bearing or demeanor; forbidding in aspect; SYN. stern.
2. Severely simple; SYN. severe, stark.
3. Strict in moral outlook; extremely simple; without ornamentation; severe; sharp.

Frenzied; wild, especially of fighting.

ETYM AS. biter; akin to Goth. baitrs, Icel. bitr, Dan., Swed., Dutch, and German bitter, OS. bittar, from root of Eng. bite. Related to Bite.
1. Expressive of severe grief or regret.
2. One of the four basic taste sensations; sharp and disagreeable; like the taste of quinine.
3. Proceeding from or exhibiting great hostility or animosity.
4. Very difficult to accept or bear.

Fierce; cruel; keen.

ETYM Old Eng. brim, brimme, AS. brymme edge, border; akin to Icel. barmr, Swed. bräm, Dan. braemme, German brame, bräme. Possibly the same word as AS. brim surge, sea.
1. A rim that sticks outward from the crown.
2. The top edge of a vessel; SYN. rim, lip.

ETYM Latin cholericus, Greek: cf. French cholérique.
1. Characterized by anger; SYN. irascible.
2. Easily moved to anger.
3. Quickly aroused to anger; SYN. irascible, hotheaded, hot-tempered, quick-tempered, short, short-tempered.

Easily irritated or annoyed; SYN. fractious, irritable, nettlesome, peevish, peckish, pettish, petulant, testy, tetchy, techy.

1. Lying across or athwart; moving across
2. Running counter; opposite; mutually opposed
3. Involving mutual interchange; reciprocal
4. Marked by typically transitory bad temper
5. Extending over or treating several groups, conditions, or classes
6. Crossbred, hybrid

Chiefly Scottish; brisk, lively

1. Suitable for cutting or severing.
2. As physically painful as if caused by a sharp instrument; SYN. keen, knifelike, piercing, stabbing.
3. (Of speech) Harsh or hurtful in tone or character; SYN. edged, stinging.

Not pleased; experiencing or manifesting displeasure.

ETYM Cf. Prov. Eng. frack forward, eager, Eng. freak, fridge; or Prov. Eng. fratch to squabble, quarrel.
1. Stubbornly resistant to authority or control; SYN. refractory.
2. Unpredictably difficult in operation; likely to be troublesome.
Irritable; peevish.

ETYM Old Eng. frentik, frenetik, French frentique, Latin phreneticus, from Greek. Related to Frenzy, Frenetic, Phrenetic.
Excessively agitated; transported with rage or other violent emotion; SYN. frenetic, phrenetic, frenzied.

ETYM Latin furiosus, from furia rage, fury: cf. French furieux. Related to Fury.
1. Transported with passion or fury; raging; violent.
2. Rushing with impetuosity; moving with violence.

1. Referring to physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning
2. (Color) Bold and intense
3. Having or dealing with dangerously high levels of radioactivity
4. Newly made
5. Newest or most recent; SYN. red-hot.
6. Characterized by violent and forceful activity or movement; very intense; SYN. raging.
7. Sexually excited or exciting
8. Capable of quick response and great speed
9. Having or showing great eagerness or enthusiasm
10. Having or bringing unusually good luck
11. Extended meanings; especially of psychological heat; marked by intensity or vehemence especially of passion or enthusiasm
12. Very good; often used in the negative
13. Very unpleasant or even dangerous
14. (Electricity) Charged or energized with electricity; SYN. live.
15. Wanted by the police
16. (Informal) Marked by excited activity
17. (Informal) Performed or performing with unusually great skill and daring and energy
18. (Informal) Recently stolen or smuggled
19. (Informal) Very popular or successful
20. (Music) Emotionally charged and intense and marked by strong rhythms and improvisation

ETYM Latin indignans, -antis, p. pr. of indignari to be indignant, disdain. Related to Indign.
Angered at something unjust or wrong; SYN. incensed, outraged, umbrageous.

ETYM Latin iratus, from irasci to be angry. Related to Ire.
Feeling or showing extreme anger; SYN. ireful.

Having a sharp cutting edge or point

1. Deranged; crazy; insane.
2. Excited beyond self-control or the restraint of reason; inflamed by violent or uncontrollable desire, or passion
3. Extravagant; immoderate.
4. Furious with rage or anger.
5. Angry; out of patience; vexed
6. Rabid; afflicted with rabies

Biting; caustic; incisive; corrosive
Biting; corrosive; caustic; stinging

1. Of or pertaining to pepper; having the qualities of pepper; hot; pungent.
2. (Figurative) Hot-tempered; passionate.

ETYM French, p. pr. of poindre to sting, from Latin pungere to prick, sting. Related to Pungent.
Keenly distressing to the mind or feelings.

1. Infested with rats; of, relating to, or suggestive of a rat
2. Shabby, unkempt
3. Despicable, treacherous; irritable

1. Sturdy and strong in constitution or construction; enduring
2. Very difficult; severely testing stamina or resolution; SYN. tough.

1. Intensely or extremely bad or unpleasant in degree or quality; SYN. terrible, wicked.
2. Unsparing and uncompromising in discipline or judgment; SYN. spartan, strict.
3. Very bad in degree or extent

1. Of or associated with people of fashion
2. Showing mental alertness and calculation and resourcefulness.
3. A synonym for intelligent. See intelligence.

1. Having a sharp biting taste.
2. One of the four basic taste sensations; like the taste of vinegar or lemons.
3. Smelling of fermentation or staleness; SYN. rancid.

1. Affording shade
2. Spotted with shadows
3. Inclined to take offense easily

1. Causing vexation; agitating; afflictive; annoying.
2. Full or vexation, trouble, or disquiet; disturbed.

Causing difficulty in finding an answer or solution; much disputed.

1. Resembling a wasp in form; having a slender waist, like a wasp.
2. Quick to resent a trifling affront; characterized by snappishness; irritable; irascible; petulant; snappish.

Resembling wax in appearance or consistency; viscid; adhesive; soft; hence, yielding; pliable; impressible.

Wrathful; in commotion; stormy

Dialect; yonder

ETYM Latin aspis, from Greek aspis: cf. Old Fren. aspe, French aspic.
1. Cobra used by the Pharaohs as a symbol of their power over life and death; SYN. Egyptian cobra, Naja haje.
2. Of southern Europe; similar to but smaller than the adder; SYN. asp viper, Vipera aspis.
Any of several venomous snakes, including Vipera aspis of S Europe, allied to the adder, and the Egyptian cobra Naja haje, reputed to have been used by the Egyptian queen Cleopatra for her suicide.

Plant of the genus Ranunculus of the buttercup family with divided leaves and yellow flowers.
Species include the swamp buttercup R. septentrionaiis of the US.
Any of various plants of the genus Ranunculus; SYN. butterflower, crowfoot, goldcup, kingcup. butter-cup

ETYM New Lat., from Greek klematis brushwood, also (from its long, lithe branches) clematis. from klhma twig, shoot, from klan to break off.
Any of various ornamental climbing plants of the genus Clematis usually having showy flowers.
Any temperate woody climbing plant of the genus Clematis with showy flowers. Clematis are a member of the buttercup family, Ranunculaceae.
Rock clematis C. verticillaris grows in woods and thickets in most of shady E North America.

Perennial European herb with long creeping stolons; SYN. creeping crowfoot, Ranunculus repens.

Perennial European buttercup with yellow spring flowers widely naturalized especially in eastern North America; SYN. tall buttercup, tall crowfoot, tall field buttercup, Ranunculus acris.

Common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowers; SYN. old man's beard, devil's darning needle, Clematis virginiana.

The quality of being acrimonious; asperity; acrimony

Furiousness, wrathfulness, madness

Bitter digestive fluid emanating from liver; melancholy; anger.
Brownish alkaline fluid produced by the liver. Bile is stored in the gall bladder and is intermittently released into the duodenum (small intestine) to aid digestion. Bile consists of bile salts, bile pigments, cholesterol, and lecithin. Bile salts assist in the breakdown and absorption of fats; bile pigments are the breakdown products of old red blood cells that are passed into the gut to be eliminated with the feces.
A digestive juice secreted by the liver and stored in the gallbladder; aids in the digestion of fats.

Study of insect galls.

ETYM Corrupted from dandruff.
A feeling of anger and animosity; SYN. hackles.

ETYM Pref. dis- + pleasure: cf. Old Fren. desplaisir, French déplaisir. Related to Displease.
The feeling of being displeased or annoyed or dissatisfied with someone or something.

1. A wood used especially for dagger hilts
2. A dagger with a handle of dudgeon
3. A haft made of dudgeon

ETYM French, from piquer. Related to Pike.
(Homonym: peak, peek).
1. A sudden outburst of anger; SYN. temper, irritation.
2. Hurt pride, resentful irritation.
3. (French) A feeling of slight irritation or resentment.

1. The quality or state of being poignant
2. An instance of poignancy

ETYM Old Eng. wrathe, wraththe, wrethe, wraeththe, AS. wraeththo, from wrâth wroth; akin to Icel. reithi wrath. Related to Wroth.
1. Belligerence aroused by a real or supposed wrong (personified as one of the deadly sins); SYN. anger, ire, ira.
2. Intense anger (usually on an epic scale).

Angriness, furiousness