Definitions

reliable

[ri-lahy-uh-buhl] / rɪˈlaɪ ə bəl /

ADJECTIVE

trustworthy

Synonyms

STRONGEST

decent decisive dependable good honest positive predictable respectable safe sincere solid stable steady strong true

WEAK

candid careful certain come-through conscientious constant definite determined devoted faithful firm high-principled honorable impeccable incorrupt loyal okay proved reputable responsible righteous sound staunch steadfast sterling sure there tried tried-and-true true-blue true-hearted trusty unequivocal unfailing unimpeachable upright veracious

Antonyms

STRONGEST

bad broken corrupt dishonest evil false fraudulent inadequate indefinite intermittent soft uncertain undependable unfixed unreal unreliable unrespectable unstable unsteady unsuitable unsure untrustworthy vulnerable weak wobbly

WEAK

deceptive irresponsible

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That isn’t supposed to happen to Nestlé: Unflashy yet reliable products such as Nescafé instant coffee and Fancy Feast cat food are expected to deliver steady gains and a solid dividend, rather than wild selloffs.

From Barron's • Jun. 10, 2026

“It is possible to have accessible, secure, reliable and verified elections, and also an accelerated vote count.”

From Los Angeles Times • Jun. 9, 2026

“The truth is we are taking extra steps to ensure the voting process is accessible and the vote count is accurate and reliable, and that’s why it takes a long time,” said Alexander.

From Salon • Jun. 9, 2026

The animals learned which route would lead to a reward and gradually developed a reliable strategy for reaching it.

From Science Daily • Jun. 8, 2026

The first reliable edition of Galen, on which Vesalius had worked, appeared in Basle in 1538; it was there that Vesalius insisted that his Fabric should be printed.

From "The Invention of Science" by David Wootton

Vocabulary lists containing reliable

TEKS ELAR Academic Vocabulary List (5th-7th grades)

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Positive Words to Describe a Person

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

"My Favorite Chaperone," Vocabulary from the short story

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!