English Reference

Word

reliably

Phoneticsre·li·ably

US/ɹiˈɫaɪəbɫi/

UK/ɹɪlˈaɪəbli/

Adverb of manner

Definition

adv. in a way that you can trust or depend on. You use this to describe someone or something that always does what it is supposed to do.

adv. in a consistent and dependable manner. Indicates that an action or result can be trusted to occur as expected without failure.

Examples

“The old car still starts reliably every morning.”

“The local train service runs reliably, so most commuters do not feel the need to own a car.”

“To ensure the experiment succeeds, the sensors must be calibrated to record data reliably even under extreme fluctuations in temperature and pressure.”

Examples

simple

“The old car still starts reliably every morning.”

contextual

“The local train service runs reliably, so most commuters do not feel the need to own a car.”

complex

“To ensure the experiment succeeds, the sensors must be calibrated to record data reliably even under extreme fluctuations in temperature and pressure.”

Collocations

Common phrases and expressions where native English speakers use the word “reliably” in context.

Verb

01. reliably distinguish

“The new software can reliably distinguish between human users and automated bots.”

adv + verb

02. reliably predict

“Economists cannot always reliably predict how the stock market will react to new policies.”

adv + verb

Usage

Typically follows the verb it modifies or the direct object.

Real-World Examples

“The harder question is whether a dozen different machines from different builders can do the same thing reliably for years.”
Phys.org 15 Aug 2026
“Larger, controlled trials will be needed to determine whether psilocybin can reliably create that opening.”
Smithsonian Magazine 11 Aug 2026
“Christoph Burgstedt/Science Photo Library via Getty Images Vaccines have been reliably and affordably protecting people from diseases worldwide for centuries .”
The Conversation 6 Aug 2026
“But it found that devices should be able to operate reliably in space for about five years.”
Ars Technica 15 Jul 2026

Word family

ADJECTIVE

ADVERB

reliably(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

QR code

englishreference.com/q/reliably

English Reference