bekanntest
Bekanntest is a grammatical form found in German, not a standalone modern word. It is rarely used in contemporary standard German and is mainly encountered in historical texts or certain dialects. The form is generally treated as a past-tense inflection, corresponding to a second-person singular subject in the simple past for verbs that carry a stem related to bekant- or kennt-, depending on the underlying verb.
In practice, bekanntest does not have a fixed, widely attested meaning by itself. German has many verbs
Relation to other forms is important: bekanntest should not be confused with the adjective bekannt, meaning
See also: bekannt, bekanntmachen, bekanntgeben, am bekanntesten.