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Adjective
Example: “This source is reliable.”
Synonyms: trustworthy, dependable
Antonyms: unreliable
Example: “We need a credible source.”
Synonyms: reliable, believable
Verb
Example: “The judge deemed the evidence unreliable.”
Synonyms: consider, regard
Antonyms: ignore, dismiss
Adverb
Example: “The surface looked solid but behaved treacherously underfoot.”
Synonyms: deceitfully
Antonyms: reliably
Example: “That is a sound decision.”
Synonyms: solid
Antonyms: weak
Example: “The claim was substantiated.”
Synonyms: verified
Antonyms: unproven
/ˈvælɪdeɪt/
Example: “We need to validate the results.”
Synonyms: corroborate, formalize
Antonyms: void, vitiate, nullify
Example: “You must substantiate the claim with reliable data.”
Synonyms: sustain, affirm, support
Antonyms: negate, contradict
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