Acquire vs Secure

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

Acquire

Top 2,000 (common)B2verb

Secure

Top 1,000 (very common)B2verb
Most common: Secure
 AcquireSecure
Pronunciation🇬🇧 /["/əˈkwaɪə(r)/","/əˈkwaɪəz/","/əˈkwaɪəd/","/əˈkwaɪərɪŋ/"]/🇺🇸 /["/əˈkwaɪər/","/əˈkwaɪərz/","/əˈkwaɪərd/","/əˈkwaɪərɪŋ/"]/🇬🇧 /["/sɪˈkjʊə(r)/","/sɪˈkjʊəz/","/sɪˈkjʊəd/","/sɪˈkjʊərɪŋ/"]/🇺🇸 /["/sɪˈkjʊr/","/sɪˈkjʊrz/","/sɪˈkjʊrd/","/sɪˈkjʊrɪŋ/"]/
MeaningTo get or obtain something.To make safe or protect something.
ExampleI need to acquire new skills to advance in my career.We need to secure the doors before we leave for the night.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB2B2
Part of speechverbverb
Collocationsacquire knowledge, acquire skills, acquire a taste, acquire property, acquire assetseasily, safely, eventually, be able to, manage to, fail to, an attempt to secure something, an effort to secure something, be aimed at securing something, firmly, properly, tightly, to, with
Antonymslose, forfeit, surrenderdanger, unsecure, risk
Common mistakesConfused with 'inquire' which means to ask., Misused in passive forms, forgetting to add the object., Using it as a noun instead of a verb.Confused with 'ensure' - 'ensure' means to make sure something happens., Using 'secured' as an adjective when it should be a verb., Misplacing the emphasis on the second syllable.
Usage notesCommonly used in formal and neutral contexts. Avoid using in casual conversations unless discussing everyday acquisitions. Often used in business or academic settings.Used to indicate making something safe, but can also mean to obtain or achieve something. More common in formal contexts when referring to safety and in neutral situations for obtaining.

Frequently asked questions: Acquire vs Secure

What's the difference between Acquire and Secure?

Acquire: To get or obtain something. Secure: To make safe or protect something.

Which is more common: Acquire and Secure?

Secure is the most common in everyday English.

Are Acquire and Secure the same CEFR level?

Acquire: B2, Secure: B2 on the CEFR scale.

Can I use Acquire and Secure interchangeably?

Not always. Acquire and Secure 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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