|any member of a small class of words found in many languages that are used as replacements or substitutes for nouns and noun phrases, and that have very general reference, as I, you, he, this, who, what. Pronouns are sometimes formally distinguished from|
|any member of a class of words expressing emotion, distinguished in most languages by their use in grammatical isolation, as Hey Oh Ouch Ugh|
|prep a word or group of words used before a noun or pronoun to relate it grammatically or semantically to some other constituent of a sentence|
|[C14: from Latin praepositiō a putting before, from pōnere to place]|
|usage The practice of ending a sentence with a preposition (Venice is a place I should like to go to) was formerly regarded as incorrect, but is now acceptable and is the preferred form in many contexts|
A part of speech that indicates the relationship, often spatial, of one word to another. For example, “She paused at the gate”; “This tomato is ripe for picking”; and “They talked the matter over head to head.” Some common prepositions are at, by, for, from, in, into, on, to, and with.