rash
[adjective]
reckless, careless, foolhardy, hasty, heedless, ill-advised, impetuous, imprudent, impulsive, incautious
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[noun]
Synonyms:
- outbreak, eruption
- spate, flood, outbreak, plague, series, wave

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Antonyms: calculating
Contrasted words: careful, cautious, chary, circumspect, wary, advised, considered, deliberate, designed, premeditated, studied, calm, cool, level-headed
Related Words: abrupt, headlong, impetuous, precipitate, precipitous, sudden, foolhardy, foolish, impulsive, silly, careless, heedless, imprudent, indiscreet, injudicious, unthinking, unwise

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English Thesaurus: blemish, mole, freckles, birthmark, bruise, ...

[TahlilGaran] English Synonym Dictionary ▲

I. rash¹ /ræʃ/ adjective
[Date: 1300-1400; Origin: Probably from an unrecorded Old English ræsc]
if you are rash, you do things too quickly, without thinking carefully about whether they are sensible or not ⇒ foolish:
Please Jessie, don’t do anything rash.
Don’t go making any rash decisions about your future!
It was rather rash of you to lend them your car.
—rashly adverb:
I rashly agreed to look after the children.
—rashness noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

II. rash² noun [countable]
[Date: 1700-1800; Origin: Early French rache 'small pieces of loose skin', from Latin radere; ⇒ raze]

1. a lot of red spots on someone’s skin, caused by an illness:
She had a nasty rash on her arm.
come/break out in a rash (=get a rash)
My mother comes out in a rash if she eats seafood.
nappy rash British English , diaper rash American English
Most babies get nappy rash at some stage.
a heat rash (=a rash caused by heat)

2. rash of something informal a large number of unpleasant events, changes etc within a short time Synonym : spate of something:
There’s been a rash of car thefts in the city centre.

[TahlilGaran] Dictionary of Contemporary English ▲

rash
noun
ADJ. skin | itchy | allergic | heat, nappy, nettle
VERB + RASH have | break out in, come out in When I'm stressed I break out in a rash.
RASH + VERB appear, come out, spread The rash most commonly appears on the back.
PREP. ~ on He's got a slight rash on his chest.

[TahlilGaran] Collocations Dictionary ▲

blemish a mark on your skin that spoils its appearance:
John grew a beard to hide the blemishes on his chin.
mole a small dark, sometimes raised, mark on your skin:
Some moles may become cancerous.
Helena found a mole on her arm which had definitely not been there before.
freckles small light brown marks on your skin, especially on your face but also on your arms, shoulders etc:
She had a light sprinkling of freckles across her nose.
birthmark a permanent mark on your skin that you have had since you were born:
There was a small birthmark on her left cheek.
bruise a purple or brown mark on your skin that you get because you have fallen or been hit:
Her legs were covered in cuts and bruises.
scar a permanent mark on your skin, caused by a cut or by something that burns you:
The injury left a small scar on his forehead.
pimple/zit (also spot British English) a small raised red mark or lump on your skin, which usually appears when a child is between 12 and 18 years old:
When I was a teenager I had terrible spots.
The boy had a few pimples under his chin.
wart a small hard raised mark on your skin caused by a virus:
His face was covered in hairy warts.
blister a small area of skin that is swollen and full of liquid because it has been rubbed or burned:
There was a blister on his arm where the boiling milk had splashed him.
rash an area of small red spots on your skin, caused by an illness or an allergy:
I can’t eat strawberries - they give me a rash.
be badly scarred
Her legs were badly scarred from a car accident.
be permanently scarred
His face had been permanently scarred by smallpox.
be hideously scarred (=in a very unattractive way)
The right side of her face was hideously scarred.
be scarred for life (=get a permanent scar)
A little girl has been scarred for life in a tragic playground accident.
leave somebody scarred
The surgery left her face and neck scarred.

[TahlilGaran] English Thesaurus ▲

mark a dirty area on something that spoils its appearance:
The bark of the tree had made black marks on her trousers.
spot a small mark on something:
a grease spot on my shirt
stain a mark that is difficult to remove, especially one made by a dark liquid:
a wine stain on the tablecloth
blood stains
smudge a mark that is made when something touches against a surface:
There was a smudge of lipstick on his cheek.
He had a smudge of chalk on his jacket.
smear a mark that is made by a small amount of something spread across a surface:
The table had a smear of paint on the top.
fingerprint (also fingermark British English) a mark on the surface of something that is made by someone’s fingers:
The glass was covered with greasy fingerprints.
blemish a mark on your skin that spoils its appearance:
John grew a beard to hide the blemishes on his chin.
mole a small dark, sometimes raised, mark on your skin:
Some moles may become cancerous.
Helena found a mole on her arm which had definitely not been there before.
freckles small light brown marks on your skin, especially on your face but also on your arms, shoulders etc:
She had a light sprinkling of freckles across her nose.
birthmark a permanent mark on your skin that you have had since you were born:
There was a small birthmark on her left cheek.
bruise a purple or brown mark on your skin that you get because you have fallen or been hit:
Her legs were covered in cuts and bruises.
scar a permanent mark on your skin, caused by a cut or by something that burns you:
The injury left a small scar on his forehead.
pimple/zit (also spot British English) a small raised red mark or lump on your skin, which usually appears when a child is between 12 and 18 years old:
When I was a teenager I had terrible spots.
The boy had a few pimples under his chin.
wart a small hard raised mark on your skin caused by a virus:
His face was covered in hairy warts.
blister a small area of skin that is swollen and full of liquid because it has been rubbed or burned:
There was a blister on his arm where the boiling milk had splashed him.
rash an area of small red spots on your skin, caused by an illness or an allergy:
I can’t eat strawberries - they give me a rash.

[TahlilGaran] English Thesaurus ▲