Another Word for Main: 9 Synonyms with Examples
“Main” means the largest or most important. Synonyms can be more formal, or more precise about what makes something central.
As an adjective: most important or largest
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How they differ
Synonyms share a meaning, not always a tone. Here is when to pick each of the main options.
- chief
- Most important; also used in job titles.
- principal
- Formal; first in importance. Not to be confused with “principle”.
- primary
- First in importance or order; common in academic writing.
- central
- At the heart of something, around which the rest is organised.
- foremost
- Formal; the most prominent or best known.
Example sentences
- chief: Cost was the chief reason for the delay.
- principal: The principal aim of the study is to measure noise levels.
- primary: Our primary concern is safety.
- central: Trust is central to any good partnership.
- foremost: She is one of the foremost experts on the subject.
Opposite of main
- minor
- secondary
- subordinate
- lesser
More from WordNet
Less common or more specialised words WordNet lists for other senses of “main”. Check the meaning before you use one.
adjective: master, independent
noun: briny
WordNet 3.1, Princeton University. Used under the WordNet licence.
Frequently asked questions
What is another word for “main”?
The most useful alternatives are “chief”, “principal”, “primary”, “central”, “key”. For the main sense (most important or largest), “chief” is usually the closest swap.
What is the difference between “chief” and “principal”?
chief: Most important; also used in job titles. principal: Formal; first in importance. Not to be confused with “principle”.
What is the opposite of “main”?
Common antonyms are “minor”, “secondary”, “subordinate”, “lesser”.