A neologism is a recently coined word, expression, or sense that has gained, or is in the process of gaining, recognition within a speech community. The term entered English around 1772, borrowed from French néologisme, from Greek neos "new" plus logos "word, speech."
A new lexical item moves through several recognisable stages before it counts as part of the established vocabulary. Algeo (1991) and later corpus-based studies of English neology distinguish:
| Stage | Description |
|---|---|
| Nonce word | A one-off coinage, often playful, used by a single speaker on a single occasion |
| Protologism | A proposed term used by a small group, not yet widely attested |
| Neologism | Attested across multiple speakers and contexts but not yet listed in mainstream dictionaries |
| Established word | Listed without restriction in general dictionaries; no longer felt as new |
The boundaries are graded rather than discrete. Major English-language dictionaries (OED, Merriam-Webster) maintain ongoing neologism-tracking programmes and add several hundred items each year, applying citation thresholds to decide when a word has crossed into the established stratum.
Neologisms arise through the same word formation processes that produce vocabulary at every period, but cultural and technological change drives bursts of creation in particular domains.
The principal driver of contemporary neology is technological and cultural change requiring labels for novel referents. Algeo (1991) shows that the great majority of late 20th-century neologisms come from a relatively small number of expanding domains: computing, biotechnology, medicine, finance, mass media, and youth culture. Crystal (2003) adds that the internet has accelerated both creation and diffusion, with platforms acting as global incubators where coinages can spread from local communities to general use within months.
A secondary driver is expressive: novelty itself is valued, and the lexicon contains many neologisms motivated by play, parody, or in-group identity. Hangry, mansplain, adulting, mansion-flipping, doomscroll, situationship belong to this class.
Most neologisms fail. The historical record contains thousands of nonce coinages and short-lived buzzwords that never reached general use or quickly fell out of it. Algeo's (1991) corpus of Fifty Years Among the New Words estimates that fewer than half of catalogued neologisms survive a decade. Survivors typically fill a referential gap (no existing word for the referent) or replace an awkward or stigmatised competitor.
For learners, neologisms pose both an opportunity and a difficulty. They dominate informal digital register and are essential for participating in current discourse, but they often lack stable corpus evidence and dictionary entries, making receptive verification difficult. Teachers can scaffold this gap by directing learners to the OED's quarterly updates, Merriam-Webster's "Words We're Watching," and major dictionary-publisher word-of-the-year lists, which combine neologism-tracking with usage notes.
A second concern is register. Many neologisms are heavily marked for informality, age cohort, or sub-community. Teaching them without flagging these constraints risks producing speech that sounds either dated or stylistically misplaced.