Demand vs I'm going to need her money vs Require

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

Demand

Top 1,000 (very common)B2noun

I'm going to need her money

Top 2,000 (common)

Require

Top 1,000 (very common)B1verb
 DemandI'm going to need her moneyRequire
Pronunciation🇬🇧 /["/dɪˈmɑːnd/"]/🇺🇸 /["/dɪˈmænd/"]/🇬🇧 //aɪm ˈɡoʊɪŋ tə niːd hɜːr ˈmʌni//🇺🇸 //aɪm ˈɡoʊɪŋ tə nid hɜr ˈmʌni//🇬🇧 /["/rɪˈkwaɪə(r)/","/rɪˈkwaɪəz/","/rɪˈkwaɪəd/","/rɪˈkwaɪərɪŋ/"]/🇺🇸 /["/rɪˈkwaɪər/","/rɪˈkwaɪərz/","/rɪˈkwaɪərd/","/rɪˈkwaɪərɪŋ/"]/
MeaningTo ask for something forcefully.I will require her money.to need something or someone for a purpose
ExampleThe demand for organic food has been steadily increasing over the past few years.In order to pay the bill, I'm going to need her money.The project will require a significant amount of time to complete.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelB2-B1
Part of speechnounverb
Collocationslegitimate, realistic, reasonable, issue, make, present, on demand, demand for, demand from, considerable, enormous, excessive, impose, make, place, demand on, demand upon, big, buoyant, considerable, level, accommodate, cope with, fulfil/​fulfill, grow, increase, rise, in demand, demand among, demand for, supply and demandneed help, need advice, need funds, need assistance, need supporturgently, reasonably, generally, urgently, reasonably, generally
Antonymssurrender, yield, give-deny, refuse, forbid
Common mistakesConfused with 'require' — 'demand' is stronger than 'require'., Using 'demand' without an object — it needs something to demand., Mixing it up with 'request' — 'request' is more polite.Confusing with 'need' vs 'want', Using 'gonna' in formal writing, Misplacing the pronoun when addressing someone directly'Require' is sometimes confused with 'request'; they have different meanings., Learners might use 'require' without an object, which is incorrect., 'Require' is often mixed up with 'want', but 'require' implies necessity.
Usage notesUse 'demand' when you want something with urgency or authority. It's neutral but can be seen as aggressive in casual situations. Avoid using it when making polite requests.Used when expressing the necessity of someone else's money. Appropriate in both casual and more serious contexts.Use 'require' when talking about needs in formal settings, such as requirements for a job or project. Avoid in casual conversation unless discussing responsibilities.

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Demand
I'm going to need her money

Frequently asked questions: Demand vs I'm going to need her money vs Require

What's the difference between Demand, I'm going to need her money, and Require?

Demand: To ask for something forcefully. I'm going to need her money: I will require her money. Require: to need something or someone for a purpose

Which is more advanced: Demand, I'm going to need her money, and Require?

Demand is the highest level, at B2, on the CEFR scale.

Can you show an example of each?

Demand: The demand for organic food has been steadily increasing over the past few years. I'm going to need her money: In order to pay the bill, I'm going to need her money. Require: The project will require a significant amount of time to complete.

Can I use Demand, I'm going to need her money, and Require interchangeably?

Not always. Demand, I'm going to need her money, and Require 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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