Exceeding the Shariah-permitted limit in beliefs or actions.
Introducing a new way in the religion for the purpose of exaggerating in worshiping Allah Almighty.
Everything newly introduced in the religion, beliefs and acts of worship, without any proof from Shariah.
"Tawassut": being straight and level. Original meaning: uprightness, moderateness. Other meanings: choosing what is best.
All what goes against the Qur’an, the Sunnah, or the consensus of the early Muslim generations ("salaf") of beliefs and forms of worship which people have invented in the religion based on their personal desires and opinions.
Turning away from the truth and its people.