Part of speech:
Not finished; not completed or perfected; incomplete
Undergoing preparation, esp. for college entrance
Of, like, or serving as a preface; introductory
Introducing; giving a preview or idea of
That cannot be omitted; absolutely necessary or required
Pertaining to events that will follow.
A basic principle, factor, etc.
The act or process of bringing or being brought into being; a start:
A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of linear algebra.
The first letter of a word.
An introduction, esp. one to a constitution, statute, etc., stating the reasons for it and its purpose
A preliminary statement or essay introducing a book that explains its scope, intention, or background and is usually written by the author.
Something that must be gained in order to gain something else
(Statistics) In Bayesian inference, a prior probability distribution. [from 20th c.]
A set of rules governing the communication and the transfer of data between machines, as in a computer system
An inspection or exploration of an area, especially one made to gather military information.
Coming after all others.
Of or constituting the end result of a succession or process; ultimate:
The closing of a plea or address to a court or jury
(Slang, of a person) Disturbing or unnerving, often in such a way that others may suspect them of intending physical or sexual harm or harassment.
Indicating a lack of confidence or certainty; hesitant:
Not elaborated, perfected, or completed:
Before or in preparation for the main matter, action, or business
Serving to introduce a subject or person, for example
The definition of a prelude is something that serves as an introduction.
Find another word for preliminary. In this page you can discover 43 synonyms, antonyms, idiomatic expressions, and related words for preliminary, like: unperfected, unfinished, preparatory, preceding, prefatory, introductory, antecedent, imperative, indispensable, precedential and precursive.