Wikipedia:You are probably not a lexicologist or a lexicographer

Lexicology (from lexiko-, in Late Greek lexikon) is that part of linguistics, a science which is dealing with the study of words, the relations between words (i.e. semantical relations), and the whole lexicon.

Lexicography is divided into two related disciplines: practical lexicography is the art or craft of compiling, writing and editing dictionaries. Theoretical lexicography is a branch of linguistics concerned with the scholarly discipline of analyzing and describing the semantic relationships within the lexicon (vocabulary) of a language and developing theories of dictionary components and structures linking the data in dictionaries. This is sometimes referred to as metalexicography.

When edit wars occur over the lead paragraph of a controversial topic, people may turn to more NPOV sources, like the dictionary. The dictionary is one source among many that is generally considered more authoritative than personal opinion.

Sometimes, for complex topics like homophobia or marriage or truth, the dictionary seems inadequate. Wikipedians can and do argue over whether the definition is accurate, or which sense of a word is prevalent in mainstream usage. You may not like the dictionary definition, but if it is a reputable dictionary, it generally carries more weight than your personal opinion. You can't generally make it disappear from the article simply by claiming that "it is a bad definition" based on your (explicitly or implicitly asserted) status as an expert on dictionary formation. This is because you are probably not a lexicologist or a lexicographer.

Let’s face it, you are probably not trained in lexicology or lexicography. You may have opinions about semantics (how words are defined or used within in a lexicon), or how you would have written the dictionary, but your opinion does not countervail the efforts of trained lexicographers.

What to do

When faced with a dictionary definition that you disagree with, your alternatives are limited; you can either find a better dictionary with a better definition, or you can cite reputable sources that discuss the changing meaning of a given word. What you cannot do is discount the definition by claiming to know a lot about words and dictionary writing. You are probably not a lexicologist or a lexicographer. Even if you are, you still need to cite sources.

Arguments against using the dictionary definition in the lead paragraph

Not all Wikipedians agree with these sentiments. Several arguments are as follows:

• Modern dictionaries are likely to be in copyright, and a bit of text like that is not likely acceptable fair use. Older public domain dictionaries may have anachronisms or outdated definitions.
• Since Wikipedia is not a dictionary (see WP:NOT), some editors think that using dictionary definitions to start an article makes it sound more like a high school essay than a reputable encyclopedia. Stylistic opinions count in Wikipedia, so this is a legitimate point that should not be dismissed lightly.
• Additionally, dictionary definitions, while accurate, often do not convey the full connotations and context of the use of a word. The large space we dedicate to each article allows us to explore these details. While a dictionary definition may be an appropriate component of a lead paragraph, it is not always in itself a sufficient exposition of the subject.
• Dictionaries are extremely conservative in what they recognize, and are descriptive of an existing definition, not creators of it. More immediate sources, like books, academic writings, or others are often more direct and accurate, especially when they are responsible for the definition in the first place. Stephen Colbert is a much better source for a definition of truthiness than Webster's.
• Moreover, original sources may have a more nuanced and in-depth treatment of definitions; for example, Plato's Republic and other philosophic inquiries into the meaning of justice may occasionally outweigh dictionary citations. Then again, Plato is a published source, and you are probably not Plato.

See also

• WP:CITE Citing Sources
• WP:V Verifiability, Burden of Proof, Sources of Dubious Reliability
• WP:RS Defining what is a reliable source.
• Appeal to authority
• Oxford English Dictionary
• Merriam-Webster#Today
• Webster's Dictionary