frightful

[adj] - (informal) extreme in degree
Found on http://www.webdictionary.co.uk/definition.php?query=frightful

Frightful

Fright'ful adjective 1. Full of fright; affrighted; frightened. [ Obsolete] « See how the frightful herds run from the wood.» W. Browne. 2. Full of that which causes fright; exciting alarm; impressing terror; shocking; as, a frightful chasm, or tempe...
Found on http://www.encyclo.co.uk/webster/F/77

frightful

1. Full of fright; affrighted; frightened. 'See how the frightful herds run from the wood.' (W. Browne) ... 2. Full of that which causes fright; exciting alarm; impressing terror; shocking; as, a frightful chasm, or tempest; a frightful appearance. ... Synonym: Terrible, dreadful, alarming, fearful, terrific, awful, horrid, horrible, shocking. ... ...
Found on http://www.encyclo.co.uk/local/20973

frightful

terrible adjective extreme in degree or extent or amount or impact; `in a frightful hurry`; `spent a frightful amount of money`
Found on https://www.encyclo.co.uk/local/20974

Frightful

• (a.) Full of that which causes fright; exciting alarm; impressing terror; shocking; as, a frightful chasm, or tempest; a frightful appearance. • (a.) Full of fright; affrighted; frightened.
Found on http://thinkexist.com/dictionary/meaning/frightful/
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