Fill vs Supply

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

Fill

Top 1,000 (very common)A1verb

Supply

Top 1,000 (very common)B1noun
 FillSupply
Pronunciation🇬🇧 /["/fɪl/","/fɪlz/","/fɪld/","/ˈfɪlɪŋ/"]/🇺🇸 /["/fɪl/","/fɪlz/","/fɪld/","/ˈfɪlɪŋ/"]/🇬🇧 /["/səˈplaɪ/"]/🇺🇸 /["/səˈplaɪ/"]/
MeaningTo make something full by putting something inside it.to give or provide something that is needed
ExamplePlease fill the glass with water.The company is struggling to meet the demand for their product due to a shortage in supply.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1B1
Part of speechverbnoun
Collocationsfast, quickly, rapidly, begin to, seem to, with, be filled to capacity, be filled to the brim (with something)total, available, endless, have, get, lay in, increase, fall, exceed demand, chain, line, network, supply of, supply to, be in short supply, demand and supply, supply and demand, abundant, plentiful, limited, bring, bring in, lay in, hold out, last, be depleted, supply of
Antonymsempty, drain, removedemand, deprivation
Common mistakesConfusing 'fill' with 'fulfill' in contexts of completion., Using 'filled' instead of 'fill' in present tense statements., Mixing up the order of words, like saying 'to fill it with water' instead of 'fill it with water'.Confusing with 'supplement' when more than just providing is meant, Using as a noun instead of a verb, e.g., 'to supply' vs 'the supply', Incorrectly conjugating the verb in different tenses
Usage notesUse 'fill' when talking about putting substance into an empty space. It's common in both casual and formal contexts. Avoid using for emotional or abstract concepts, as it can lead to confusion.Use 'supply' when referring to providing goods or resources. It is neutral and can be used in business, education, and everyday contexts. Avoid using it in very casual conversations.

Frequently asked questions: Fill vs Supply

What's the difference between Fill and Supply?

Fill: To make something full by putting something inside it. Supply: to give or provide something that is needed

Are Fill and Supply the same CEFR level?

Fill: A1, Supply: B1 on the CEFR scale.

Can I use Fill and Supply interchangeably?

Not always. Fill and Supply 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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