mainly
7 synonyms and 0 antonyms for mainly, grouped by meaning and by how common each one is.
Adv — For the most part; chiefly.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
How to use mainly
The word patterns that sound natural to a native speaker.
Etymology
From Middle English maynly, from main + -ly.
Full origin of mainly →Frequently asked questions
What does “mainly” mean?
The word “mainly” means for the most part; chiefly. In plain terms, mostly, or to the greatest extent — used to say what applies in most cases.
How do you pronounce “mainly”?
“Mainly” is pronounced MAYN-lee (/ˈmeɪnli/ in IPA).
How do you use “mainly” in a sentence?
Here is “mainly” used in a sentence: “The audience was mainly teenagers.”
What is another word for “mainly”?
Words with a similar meaning to “mainly” include principally.
What part of speech is “mainly”?
“Mainly” is an adverb.
Where does the word “mainly” come from?
The word “mainly” comes from Middle English. From Middle English maynly, from main + -ly.
Is “mainly” a common word?
“Mainly” is a fairly common word in modern English, usually learned at around the A2 level.
What is the difference between 'mainly' and 'mostly'?
The two are very close and often interchangeable. 'Mainly' stresses the chief or most important part — the group is mainly students. 'Mostly' stresses the greater proportion or the usual case — the group is mostly quiet. 'Mainly' points to what dominates; 'mostly' points to what is true most of the time.
What can I use instead of 'mainly'?
Good alternatives include 'mostly,' 'chiefly,' 'primarily,' 'largely,' 'principally,' and 'predominantly.' Each conveys that something is true for the most part or that one element dominates. 'Chiefly' and 'principally' feel slightly more formal, while 'mostly' and 'largely' are more everyday. Choose the one that best fits your tone.
Is 'mainly' formal or informal?
'Mainly' is neutral and works in both formal and informal contexts. You can use it comfortably in conversation, business writing, and academic work alike. If you want a slightly more formal tone, 'chiefly,' 'primarily,' or 'principally' are close alternatives; for a casual tone, 'mostly' fits well.