1. Kufrul-'Inaad:

Disbelief out of stubborness. This applies to someone who knows the truth and admits to knowing the truth and admits to knowing it with his tongue, but refuses to accept it and refrains from making a declaration. Allah(swt) says: Throw into Hell every stubborn disbeliever [Surah Qaaf (50), Ayah 24]

2. Kufrul-Inkaar:

Disbelief out of denial. This applies to someone who denies with both heart and tongue.

Allah(swt) says: They recognize the favors of Allah, yet they deny them. Most of them are disbelievers. [Surah Nahl(16), Ayah 83]

3. Kufrul-Kibr:

Disbelief out of arrogance and pride. The disbelief by the devils (Iblis) is an example of this type of Kufr.

4. Kufrul-Juhood:

Disbebelief out of rejection. This applies to someone who aknowledges the truth in his heart, but rejects it with his tongue. This types of kufr is applicable to those who calls themselves Muslims but who reject any necessary and accepted norms of Islam such as Salaat and Zakat.

Allah (swt) says: They denied them (OUR SIGNS) even though their hearts believed in them , out of spite and arrogance. [Surah Naml(27), Ayah 14]

5. Kufrul-Nifaaq:

Disbelief out of hypocrisy.This applies to someone who pretends to be a believer but conceals his disbelief. Such a person is called a MUNAFIQ or hypocrite.

Allah( swt) says: Verily the hypocrites will be in the lowest depths of Hell. You will find no one to help them. [Surah An Nisaa (4), Ayah 145]

6. Kufrul-Istihaal:

Disbelief out of trying to make HARAM into HALAL. This applies to someone who accepts as lawful (Halal) that which Allah has made unlawful(Haram) like alcohol or adultery.Only Allah(swt) has the prerogative to make things Halal and Haram and those who seek to interfere with His right are like rivals to Him and therefore fall outside the boundries of faith.

7. Kufrul-Kurh:

Disbelief out of detesting any of Allah's(swt) commands. Allah(swt) says: Perdition (destruction) has been consigned to those who disbelieve and He will render their actions void. This is because they are averse to that which Allah has revealed so He has made their actions fruitless. [Surah Muhammed (47), Ayah 8-9]

8. Kufrul-Istihzaha:

Disbelief due to mockery and derision.

Allah (swt) says: Say: Was it at Allah, His signs and His apostles that you were mocking? Make no excuses. You have disbelieved after you have believed. [Surah Taubah (9), ayah 65-66]

9. Kufrul-I'raadh:

Disbelief due to avoidance. This applies to those who turn away and avoid the truth.

Allah(swt) says: And who is more unjust than he who is reminded of his Lord's signs but then turns away from them. Then he forgets what he has sent forward (for the Day of Judgement) [Surah Kahf(18), Ayah 57]

10. Kufrul-Istibdaal:

Disbelief because of trying to substitute Allah's Laws. This could take the form of: (a) Rejection of Allah's law(Shariah) without denying it (b) Denial of Allah's law and therefore rejecting it, or (c) Substituting Allah's laws with man-made laws.

Allah (swt) says: Or have they partners with Allah who have instituted for them a religion which Allah has not allowed. [Surah Shuraa(42), Ayah 8]

Allah(swt) says: Say not concerning that which your tongues put forth falsely (that) is lawful and this is forbidden so as to invent a lie against Allah. Verily, those who invent a lie against Allah will never prosper. [Surah Nahl (16), Ayah 116]