Secure vs Trusted

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

Secure

Top 1,000 (very common)B2verb

Trusted

Top 1,000 (very common)
 SecureTrusted
Pronunciation🇬🇧 /["/sɪˈkjʊə(r)/","/sɪˈkjʊəz/","/sɪˈkjʊəd/","/sɪˈkjʊərɪŋ/"]/🇺🇸 /["/sɪˈkjʊr/","/sɪˈkjʊrz/","/sɪˈkjʊrd/","/sɪˈkjʊrɪŋ/"]/🇬🇧 //ˈtrʌstɪd//🇺🇸 //ˈtrʌstəd//
MeaningTo make safe or protect something.Believed to be honest and reliable.
ExampleWe need to secure the doors before we leave for the night.She is a trusted advisor in our organization.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB2-
Part of speechverb
Collocationseasily, 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, withtrusted source, trusted friend, trusted advisor
Antonymsdanger, unsecure, riskuntrusted, distrusted, doubtful, suspicious
Common mistakesConfused 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.Confused with 'trustworthy' - both are similar, but 'trusted' implies past approval., Using 'trusted' inappropriately for things that cannot be trusted, like abstract ideas.
Usage notesUsed 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.Use 'trusted' for people or sources that are reliable. It is neutral, suitable for most contexts. Avoid in slang or overly casual settings.

See it in real clips

Secure
Trusted

Frequently asked questions: Secure vs Trusted

What's the difference between Secure and Trusted?

Secure: To make safe or protect something. Trusted: Believed to be honest and reliable.

Can you show an example of each?

Secure: We need to secure the doors before we leave for the night. Trusted: She is a trusted advisor in our organization.

Can I use Secure and Trusted interchangeably?

Not always. Secure and Trusted 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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