Largely vs Mostly vs Predominantly

When to use each in English, with meaning, register, and examples.

Largely

Top 2,000 (common)B2adverb

Mostly

Top 1,000 (very common)A2adverb

Predominantly

Top 2,000 (common)C1adverb
Most common: Mostly
 LargelyMostlyPredominantly
Pronunciation🇬🇧 /["/ˈlɑːdʒli/"]/🇺🇸 /["/ˈlɑːrdʒli/"]/🇬🇧 /["/ˈməʊstli/"]/🇺🇸 /["/ˈməʊstli/"]/🇬🇧 /["/prɪˈdɒmɪnəntli/","/prɪˈdɒmɪnətli/"]/🇺🇸 /["/prɪˈdɑːmɪnəntli/","/prɪˈdɑːmɪnətli/"]/
MeaningMostly or for the most part.mainly or for the most partMainly or mostly.
ExampleThe manager was **largely responsible for** the team’s victory.The sauce is mostly cream.She works in a predominantly male environment.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 2,000 (common)
CEFR levelB2A2C1
Part of speechadverbadverbadverb
Collocationslargely due to, largely based on, largely influenced bymostly true, mostly harmless, mostly used, mostly ignored, mostly finishedpredominantly white, predominantly used, predominantly found
Antonymsminimally, partially, marginallyrarely, seldom, neverminimally, seldomly
Common mistakesMisuse with count nouns; 'largely' is not a quantifier., Confuse it with 'larger', which relates to size., Use it in uncertain contexts where 'mainly' or 'primarily' would be better.Using 'mostly' instead of 'most' when comparing amounts., Confusing 'mostly' with 'mostly not' to communicate disagreement., Using 'mostly' in place of 'generally' or 'usually' without appropriate context.Confusing with 'predominant' which is an adjective., Using in informal contexts where simpler words like 'mainly' are more suitable.
Usage notesUse 'largely' in statements that refer to the majority of something. It is commonly used in academic or formal contexts but can be used informally as well. Avoid using it in very casual conversation.Used to describe something that is true for the majority or the largest part. Suitable in both spoken and written contexts, but avoid using in highly technical or specialized discussions.Use 'predominantly' to emphasize that something is mostly true in a certain context. It's suitable in both spoken and written language, especially in academic or formal settings.

Frequently asked questions: Largely vs Mostly vs Predominantly

What's the difference between Largely, Mostly, and Predominantly?

Largely: Mostly or for the most part. Mostly: mainly or for the most part Predominantly: Mainly or mostly.

Which is more common: Largely, Mostly, and Predominantly?

Mostly is the most common in everyday English.

Which is more advanced: Largely, Mostly, and Predominantly?

Predominantly is the highest level, at C1, on the CEFR scale.

Are Largely, Mostly, and Predominantly the same CEFR level?

Largely: B2, Mostly: A2, Predominantly: C1 on the CEFR scale.

What part of speech are Largely, Mostly, and Predominantly?

Largely: adverb, Mostly: adverb, Predominantly: adverb.

Can you show an example of each?

Largely: The manager was **largely responsible for** the team’s victory. Mostly: The sauce is mostly cream. Predominantly: She works in a predominantly male environment.

Can I use Largely, Mostly, and Predominantly interchangeably?

Not always. Largely, Mostly, and Predominantly are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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