Fill vs Pack

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

Fill

Top 1,000 (very common)A1verb

Pack

Top 1,000 (very common)A2verb
 FillPack
Pronunciation🇬🇧 /["/fɪl/","/fɪlz/","/fɪld/","/ˈfɪlɪŋ/"]/🇺🇸 /["/fɪl/","/fɪlz/","/fɪld/","/ˈfɪlɪŋ/"]/🇬🇧 /["/pæk/","/pæks/","/pækt/","/ˈpækɪŋ/"]/🇺🇸 /["/pæk/","/pæks/","/pækt/","/ˈpækɪŋ/"]/
MeaningTo make something full by putting something inside it.To put things into a bag or container.
ExamplePlease fill the glass with water.I need to pack my clothes for the trip.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1A2
Part of speechverbverb
Collocationsfast, quickly, rapidly, begin to, seem to, with, be filled to capacity, be filled to the brim (with something)carefully, neatly, tightly, in, into, carefully, neatly, tightly, in, into, into, be packed full of something, be packed out, be packed to bursting
Antonymsempty, drain, removeunpack, scatter, disorganize
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'.'Packed' vs 'pack' confusion with verb tense., Using 'pack' without an object when it should include one., Confusing 'pack' with 'package'.
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.Used in both casual and formal contexts. It's common to use 'pack' when referring to preparing travel bags or organizing items for moving. Avoid using in overly formal or academic contexts.

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Fill
Pack

Frequently asked questions: Fill vs Pack

What's the difference between Fill and Pack?

Fill: To make something full by putting something inside it. Pack: To put things into a bag or container.

Which is more advanced: Fill and Pack?

Pack is the highest level, at A2, on the CEFR scale.

Are Fill and Pack the same CEFR level?

Fill: A1, Pack: A2 on the CEFR scale.

What part of speech are Fill and Pack?

Fill: verb, Pack: verb.

Can you show an example of each?

Fill: Please fill the glass with water. Pack: I need to pack my clothes for the trip.

Can I use Fill and Pack interchangeably?

Not always. Fill and Pack 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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