unintroduced

verb (used with object), in·tro·duced, in·tro·duc·ing.

1. to present (a person) to another so as to make acquainted.
2. to acquaint (two or more persons) with each other personally: Will you introduce us?
3. to present (a person, product, etc.) to a particular group of individuals or to the general public for or as if for the first time by a formal act, announcement, series of recommendations or events, etc.: to introduce a debutante to society.
4. to bring (a person) to first knowledge or experience of something: to introduce someone to skiing.
5. to create, bring into notice, use, etc., for or as if for the first time; institute: to introduce a new procedure.
6. to suggest, propose, or advance for or as if for the first time: to introduce a theory of geological evolution.
7. to present for official consideration or action, as a legislative bill.
8. to begin; lead into; preface: to introduce one’s speech with an amusing anecdote.
9. to put or place into something for the first time; insert: to introduce a figure into a design.
10. to bring in or establish, as something foreign or alien: Japanese cooking was introduced into America in the 1950s.
11. to present (a speaker, performer, etc.) to an audience.
12. to present (a person) at a royal court.

verb (tr)

1. (often foll by to) to present (someone) by name (to another person) or (two or more people to each other)
2. (foll by to) to cause to experience for the first timeto introduce a visitor to beer
3. to present for consideration or approval, esp before a legislative bodyto introduce a draft bill
4. to bring in; establishto introduce decimal currency
5. to present (a radio or television programme, etc) verbally
6. (foll by with) to starthe introduced his talk with some music
7. (often foll by into) to insert or injecthe introduced the needle into his arm
8. to place (members of a species of plant or animal) in a new environment with the intention of producing a resident breeding population

v.early 15c., back-formation from introduction, or else from Latin introducere “to lead in, bring in” (see introduction). Related: Introduced; introducing. v.

1. To put inside or into; insert or inject.
2. To bring in and establish in a new place or environment.