What context can I use each word in?
Learn when and how to use these words with these examples!
introductory
Example
The introductory chapter of the book provided an overview of the author's main arguments. [introductory: adjective]
Example
The course covered introductory topics in computer science, such as programming languages and algorithms. [introductory: adjective]
preliminary
Example
The team conducted preliminary research to gather data before starting the project. [preliminary: adjective]
Example
The doctor gave a preliminary diagnosis based on the patient's symptoms, but further tests were needed to confirm it. [preliminary: adjective]
Good things to know
Which word is more common?
Introductory is more common than preliminary in everyday language, especially in academic or professional contexts where it is often used to describe introductory courses, chapters, or lectures.
What’s the difference in the tone of formality between introductory and preliminary?
Both introductory and preliminary are formal words that are commonly used in academic or professional contexts. However, introductory may be slightly more formal than preliminary due to its association with academic writing and lectures.