alright
→ adjective
, adverb , & exclamation variant spelling of all right.
(USAGE The merging of all and right to form the one-word spelling alright is not recorded until the end of the 19th century (unlike other similar merged spellings such as altogether and already, which date from much earlier). There is no logical reason for insisting on all right as two words, when other single-word forms such as altogether have long been accepted. Nevertheless it is still considered by many people to be unacceptable in formal writing.)
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key
→ adjective
of crucial importance
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real
→ adjective
1. actually existing as a thing or occurring in fact; not imagined or supposed
The Oxford Dictionary of English (revised edition). Ed. Catherine Soanes and Angus Stevenson. Oxford University Press, 2005. Oxford Reference Online. Oxford University Press. 21 September 2007
http://www.oxfordreference.com