BLUE DEVIL

Pronunciation (US):

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 Dictionary entry overview: What does blue devil mean? 

• BLUE DEVIL (noun)
  The noun BLUE DEVIL has 2 senses:

1. a coarse prickly European weed with spikes of blue flowers; naturalized in United States

2. the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic

  Familiarity information: BLUE DEVIL used as a noun is rare.

 Dictionary entry details 

• BLUE DEVIL (noun)

Sense 1

Meaning:

A coarse prickly European weed with spikes of blue flowers; naturalized in United States

Classified under:

Nouns denoting plants

Synonyms:

blue devil; blue thistle; blueweed; Echium vulgare; viper's bugloss

Hypernyms ("blue devil" is a kind of...):

herb; herbaceous plant (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)

Holonyms ("blue devil" is a member of...):

Echium; genus Echium (a genus of bristly herbs and shrubs of the family Boraginaceae)

Sense 2

Meaning:

The sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic

Classified under:

Nouns denoting man-made objects

Synonyms:

amobarbital sodium; Amytal; blue; blue angel; blue devil

Hypernyms ("blue devil" is a kind of...):

amobarbital (a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant)