"Dictionary.com’s 2015 Word of the Year: Identity"

"This week, Dictionary.com has updated a handful of terms to reflect the new ways that people are speaking about the concept of identity explicitly. These include a new sense at the word identify to account for the common construction identify as and the addition of the term gender expression, defined as “the external expression of gender roles, as through socially defined behaviors and ways of dressing.” Further edits were made to the entry code-switching. Originally a linguistic term, code-switching has expanded in meaning in the recent past to encompass all aspects of identity beyond just language or manner of speech. The sociolinguistic definition is “the use of one dialect, register, accent, or language variety over another to project a specific identity.” The less technical sense is “the modifying of one’s behavior, appearance, etc., to adapt to different sociocultural norms.” Over the last few years, code-switching has emerged as important terminology for framing our multi-faceted identities...

Dictionary.com added a handful of terms throughout the year that reflect this shifting landscape, including the adjectives agender, bigender,gender-fluid, and the gender-neutral prefix Mx...

This past May, Dictionary.com added the termmicroaggression, meaning “a subtle but offensive comment or action directed at a minority or other nondominant group that is often unintentional or unconsciously reinforces a stereotype.” The term microaggression was used by some outlets to describe an incident in which Anthony Horowitz, the author of the latest James Bond book, called actor Idris Elba “too street” to play James Bond."
http://blog.dictionary.com/identity/?mod=e2this