hair trigger definition, hair trigger meaning | English dictionary

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hair trigger


1    a trigger of a firearm that responds to very slight pressure  
2    Informal  
a    any mechanism, reaction, etc., set in operation by slight provocation  
b    (as modifier)  
a hair-trigger temper     
English Collins Dictionary - English Definition & Thesaurus  
1    any of the threadlike pigmented structures that grow from follicles beneath the skin of mammals and consist of layers of dead keratinized cells  
2    a growth of such structures, as on the human head or animal body, which helps prevent heat loss from the body  
3      (Botany)   any threadlike outgrowth from the epidermis, such as a root hair  
a    a fabric or material made from the hair of some animals  
b    (as modifier)  
a hair carpet, a hair shirt     
5       another word for       hair's-breadth  
to lose by a hair     
6    get in someone's hair  
Informal   to annoy someone persistently  
7    hair of the dog (that bit one)   an alcoholic drink taken as an antidote to a hangover  
8    keep your hair on!     (Brit)  
informal   keep calm  
9    let one's hair down   to behave without reserve  
10    not turn a hair   to show no surprise, anger, fear, etc.  
11    split hairs   to make petty and unnecessary distinctions  
     (Old English hær; related to Old Norse har, Old High German har hair, Norwegian herren stiff, hard, Lettish sari bristles, Latin crescere to grow)  
  hairlike      adj  

bad hair day  
1    a day on which one's hair is untidy and unmanageable  
2    a day of mishaps and general irritation  
camel hair   , camel's hair  
1    the hair of the camel or dromedary, used in clothing, rugs, etc.  
a    soft cloth made of or containing this hair or a substitute, usually tan in colour  
b    (as modifier)  
a camelhair coat     
a    the hair of the squirrel's tail, used for paintbrushes  
b    (as modifier)  
a camelhair brush     
camel's hair  
      n      See       camel hair  
crepe hair  
      n   artificial hair, usually plaited and made of wool or vegetable fibre, used in theatrical make-up  
good hair  
      n     (Caribbean)   hair showing evidence of some European strain in a person's blood  
guard hair  
      n   any of the coarse hairs that form the outer fur in certain mammals, rising above the underfur  
hair follicle  
      n   a narrow tubular cavity that contains the root of a hair, formed by an infolding of the epidermis and corium of the skin  
hair gel  
      n   a jelly-like substance applied to the hair before styling in order to retain the shape of the style  
hair grass  
      n   any grass of the genera Aira, Deschampsia, etc., having very narrow stems and leaves  
hair lacquer  
      n      another name for       hairspray  
      adj   inspiring horror; terrifying  
a hair-raising drop of 600 feet     
  hair-raiser      n  
hair restorer  
      n   a lotion claimed to promote hair growth  
a    a very short or imperceptible margin or distance  
b    (as modifier)  
a hair's-breadth escape     
hair seal  
      n   any earless seal, esp. the harbour seal, having a coat of stiff hair with no underfur  
hair sheep  
      n   any variety of sheep growing hair instead of wool, yielding hides with a finer and tougher grain than those of wool sheep  
hair shirt  
1    a shirt made of haircloth worn next to the skin as a penance  
2    a secret trouble or affliction  
hair slide  
      n   a hinged clip with a tortoiseshell, bone, or similar back, used to fasten the hair  
hair space  
      n     (Printing)   the thinnest of the metal spaces used in setting type to separate letters or words  
hair stroke  
      n   a very fine line in a written character  
hair trigger  
1    a trigger of a firearm that responds to very slight pressure  
2    Informal  
a    any mechanism, reaction, etc., set in operation by slight provocation  
b    (as modifier)  
a hair-trigger temper     
Pele's hair  
      n   fine threads of volcanic rock material formed from molten lava by the action of wind, explosion, etc.  
     (C20: translation of Hawaiian lauoho-o Pele, from Pele, name of the goddess of volcanoes)  
root hair  
      n   any of the hollow hairlike outgrowths of the outer cells of a root, just behind the tip, that absorb water and salts from the soil  
stinging hair  
      n   a multicellular hair in plants, such as the stinging nettle, that injects an irritant fluid when in contact with an animal  
      n   a fragile maidenhair fern, Adiantum capillus-veneris, of tropical and subtropical America, having fan-shaped leaves and a black stem  

English Collins Dictionary - English Definition & Thesaurus  



1    head of hair, locks, mane, mop, shock, tresses  
2    by a hair      by a fraction of an inch, by a hair's-breadth, by a narrow margin, by a split second, by a whisker, by the skin of one's teeth  
3    get in one's hair      aggravate     (informal)   annoy, be on one's back     (slang)   exasperate, get on one's nerves     (informal)   get on one's wick     (Brit. slang)   get up one's nose     (informal)   harass, hassle     (informal)   irritate, nark     (Brit., Austral., & N.Z. slang)   pester, piss one off     (taboo slang)   plague  
4    let one's hair down      chill out     (slang, chiefly U.S.)   let it all hang out     (informal)   let off steam     (informal)   let oneself go, mellow out     (informal)   relax, veg out     (slang, chiefly U.S.)  
5    not turn a hair      keep one's cool     (slang)   keep one's hair on     (Brit. informal)   not bat an eyelid, remain calm  
6    split hairs      cavil, find fault, overrefine, pettifog, quibble  

alarming, bloodcurdling, breathtaking, creepy, exciting, frightening, horrifying, petrifying, scary, shocking, spine-chilling, startling, terrifying, thrilling  
      n   fraction, hair, jot, narrow margin, whisker  
      adj   close, hazardous, narrow  

English Collins Dictionary - English synonyms & Thesaurus  

Collaborative Dictionary     English Definition
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