Whereas those who deny Our Revelations (to come as verses of the Book establishing the pillars of faith), as well as Our signs (both in their inner world and in the outer world) – such are companions of the Blazing Flame
On the other hand are those who reject Our Revelations openly, or deny them in action. They are the companions of the Insurmountable Barrier. ("Selves" that fail to develop, are unfit to move up to the higher levels of existence, so they merely survive instead of achieving true immortality (69:27))
They who disbelieve and deny our Ayat (proofs, evidences, verses, lessons, signs, revelations, etc.) are those who will be the dwellers of the Hellfire
As for those who deny the reality and our signs (the manifestations of the Names) they are the people of hell.
Sayyed Abbas Sadr-Ameli
And (as for) those who disbelieve and deny Our Signs (revelations) , these are the companions of Hell
Al-muntakhab fi tafsir al-Qur'an al-Karim
Whereas those who rejected faith and denied Allah and refused to recognize His revelations and signs betokening Omnipotence and Authority, shall be the inmates of Hell wherein they shall have passed through nature to eternal suffering