The 2008 book "Perfumes: The A-Z Guide, " by Luca Turin and Tania Sanchez, has become something of an Oxford English Dictionary for scent.

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Professor Nichols will continue to gather information on the language in an ongoing effort to preserve as much as possible - and is planning to publish an interim small Chechen-English dictionary in the summer.

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So that people avoid becoming the butt of jokes, Collins English Dictionary advises against using literally as an intensifier in formal or written contexts.

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My Oxford English Dictionary, however, does define nuisance as "an annoyance" or "an obnoxious practice".

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According to the Oxford English Dictionary, the word has now come to mean an expression of excited approval.

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To illustrate by way of analogy: imagine creating a dictionary of French words defined in English to interpret an essay written in French.

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Newton's projected dictionary of what he called "World English" would acknowledge that an Australian might say he needed a dunny, while a British person wanted a loo and an American, a toilet.

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Ian Brookes, consultant editor at Collins English Dictionary, agrees the figurative and metaphorical use of the word crept into the English language as an intensifier.

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