Synonyms of reliable

reliable

adjective

ri-ˈlī-ə-bəl 

as in responsible

worthy of one's trust

I need a reliable car that's not going to break down constantly

Synonyms & Similar Words

• responsible
• safe
• true
• good
• steady
• dependable
• solid
• trustworthy
• secure
• loyal
• trusty
• sure
• calculable
• trustable
• strong
• tried
• constant
• faithful
• tried-and-true
• devoted
• steadfast
• fast
• honest
• effective
• staunch
• sincere
• proven
• infallible
• sound
• valid
• unerring
• validated
• true-blue
• confirmed
• firm
• unquestionable
• unimpeachable
• faultless
• authenticated
• telling
• verified
• impeccable
• single-minded
• irreproachable
• attested
• blameless
• guiltless
• inerrant
• bedrock

Antonyms & Near Antonyms

• unreliable
• uncertain
• unsafe
• untrustworthy
• undependable
• false
• untrue
• treacherous
• unfaithful
• disloyal
• fickle
• faithless
• inconstant
• uncertain
• questionable
• perfidious
• dishonest
• problematic
• doubtful
• traitorous
• dodgy
• deceitful
• dubious
• shaky
• lying
• hazardous
• untruthful
• mendacious
• debatable
• suspect
• risky
• unsound
• shady
• disputable
• fishy
• recreant
• untried
• unconfirmed
• doubtable

Example Sentences

Recent Examples of reliable

During the colder months, this exact combination becomes a reliable uniform for a certain kind of fashion insider. — Madeline Fass, Vogue, 14 Sep. 2026

One of the more reliable approaches to nest-finding is to follow a male godwit returning to take over nighttime duties. — Rivka Galchen, New Yorker, 14 Sep. 2026

These weekly values from NOAA capture a reliable snapshot of El Niño’s strength in real-time, which is crucial because of just how fast the event is gaining ground. — Mary Gilbert, CNN Money, 14 Sep. 2026

This is a workmanlike role player, a big energy-line centre with penalty-killing utility who has also been a reliable faceoff winner in the KHL. — Thomas Drance, New York Times, 14 Sep. 2026