Grammatical Particle

Grammatical Particle

In grammar, a particle is a function word that does not belong to any of the inflected grammatical word classes (such as nouns, pronouns, verbs, or articles). It is a catch-all term for a heterogeneous set of words and terms that lack a precise lexical definition. It is mostly used for words that help to encode grammatical categories (such as negation, mood or case), or fillers or discourse markers that facilitate discourse such as well, ah, anyway, etc. Particles are uninflected. As examples, the English infinitive marker to and negator not are usually considered particles.