More major sins regarding which severe warnings have been mentioned
To act contrary to one’s promise.
To betray a trust (amaanah).
To discard any fardhh (compulsory duty) enjoined by Allah Ta’ala, e.g. salaat, fasting, hajj, zakaat, etc.
To forget the Holy Quran after having memorized it.
To speak lies. Especially to take false oaths.
To swear by the name of anyone other than Allah.
To take an oath with such words that the person is deprived of the kalimah at the time of death, or may die without Imaan.
To prostrate before anyone other than Allah Ta’ala.
To miss salaat without a valid excuse.
To call any Muslim a kafir, or non-believer, or to invoke the wrath or punishment of Allah on him, or to call him an enemy of Allah.
To complain against someone, or to hear such a complaint.
To take interest (usury).
To express joy on the rise and inflation of the value of commodities or goods.
To insist on reducing the price after having agreed to it.
To sit in seclusion with ghayr mahrams (those with whom the observance of hijaab is necessary).
To gamble. Some women and girls play certain games with stakes on them. This is also a kind of gambling.
To like and be attracted to the customs of the kuffaar.
To find fault with food.
To enjoy dancing and listening to music.
To abstain from giving advice inspite of having the power to do so.