Definition of "it"
it
/ɪt/
pronoun
subjective and objective it, reflexive and intensive itself, possessive determiner and pronoun its
(uncountable) Sex appeal, especially that which goes beyond physical appearance.
The impersonal pronoun, used as a placeholder for a delayed subject, or less commonly, object; known as the dummy pronoun (according to some definitions), anticipatory it or, more formally in linguistics, a syntactic expletive. The delayed subject is commonly a to-infinitive, a gerund, or a noun clause introduced by a subordinating conjunction.
determiner
(obsolete) Its.
noun
plural its
(informal) A desirable characteristic, as being fashionable.
(informal) Sexual intercourse.