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.

They’re preparing for worsening droughts as climate change makes water from the Sacramento-San Joaquin River Delta and the Colorado River less reliable.

From Los Angeles Times • Jun. 2, 2026

The burden falls disproportionately on the elderly, outdoor workers and households without reliable access to cooling.

From BBC • Jun. 1, 2026

The suit alleges that OpenAI marketed ChatGPT as reliable despite its tendency to sometimes generate dangerous misinformation.

From The Wall Street Journal • Jun. 1, 2026

Researchers who have tried to isolate the performance of momentum stocks have found reliable evidence that the strategy tends to outperform over time.

From MarketWatch • May 30, 2026

By 1918, the last year of the war, Britain and France each had produced several hundred improved tanks, which were more maneuverable and reliable than the earlier models.

From "The War to End All Wars: World War I" by Russell Freedman

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!