Retain vs Secure

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

Retain

Top 2,000 (common)B2verb

Secure

Top 1,000 (very common)B2verb
Most common: Secure
 RetainSecure
Pronunciation🇬🇧 //rɪˈteɪn//🇺🇸 //rɪˈteɪn//🇬🇧 /["/sɪˈkjʊə(r)/","/sɪˈkjʊəz/","/sɪˈkjʊəd/","/sɪˈkjʊərɪŋ/"]/🇺🇸 /["/sɪˈkjʊr/","/sɪˈkjʊrz/","/sɪˈkjʊrd/","/sɪˈkjʊrɪŋ/"]/
MeaningTo keep or hold something.To make safe or protect something.
ExampleIt's important to retain information during exams.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
Collocationsretain customers, retain information, retain control, retain talenteasily, 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, discard, abandondanger, unsecure, risk
Common mistakesConfused with 'retain' vs 'obtain'., Using 'retain' without an object., Misusing 'retain' in informal contexts.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 notesUse 'retain' when discussing keeping information, objects, or qualities. It's more formal than 'keep'. Avoid in casual speech.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: Retain vs Secure

What's the difference between Retain and Secure?

Retain: To keep or hold something. Secure: To make safe or protect something.

Which is more common: Retain and Secure?

Secure is the most common in everyday English.

Are Retain and Secure the same CEFR level?

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

Can I use Retain and Secure interchangeably?

Not always. Retain 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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