The Greek word alethos

Found in the books of Matthew, Mark, Luke, John, Acts, First Thessalonians and First John, the Greek adverb “alethos” meant “truly” or “certainly.” Some were “certain” Peter was one of Jesus’ disciples (Mt. 26:73; Mk. 14:70) and a centurion said Jesus was “truly” God’s Son (Mt. 27:54). Jesus used this term in Jn. 1:47 to affirm the sincerity of Nathanael. In Jn. 6:55 this word is translated “indeed.”