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Showing results for reliable. Search instead for reliabi.
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.

Their work could help future studies of planets orbiting active stars produce more reliable results.

From Science Daily • Apr. 6, 2026

Before the Iran conflict, the oil-rich region was a reliable source of financing for Wall Street deals.

From The Wall Street Journal • Apr. 6, 2026

Programmes like the European Space Agency's Moonlight are planning to launch a network of satellites around the Moon to provide continuous and reliable communication coverage in the future.

From BBC • Apr. 5, 2026

Swan had been working on the problem for decades, much earlier than Edison, as had other scientists—and they had already created functioning electric lamps, albeit not very effective or reliable ones.

From The Wall Street Journal • Apr. 5, 2026

Finally leaving behind ancient Aristotelian beliefs, insect scholars had begun to agree with Goedart that direct observation was the only reliable approach to studying natural processes.

From "The Girl Who Drew Butterflies: How Maria Merian's Art Changed Science" by Joyce Sidman

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.