Biztosnak
Biztosnak is a predicative form in Hungarian formed from the adjective biztos (certain, sure). It is created by adding the predicative suffix -nak/-nek to the adjective, with the form matching vowel harmony; for biztos the applicable version is nak, yielding biztosnak. This construction is used to express that something is being regarded or perceived as certain within a clause.
The form functions as a predicative complement, typically occurring in sentences with verbs of appearance, perception,
Usage and examples: A common pattern is Ez biztosnak tűnik. (This seems certain.) A similar construction can
Origin and related forms: Biztosnak is formed from the base adjective biztos plus the predicative suffix -nak.
See also: Hungarian grammar, predicative adjectives, -nak/-nek suffix, tűnik, látszik.