I
Ibadah
Prayer, worship.
Iblis
Satan.
Ilm
Knowledge.
Imam
Leader (eg of prayer, of a state).
Iman
Faith, belief.
Islam
To submit and offer peace; submit to Allah’s commands according to Prophet’s (peace and blessings of Allah be upon him) teachings.
Isnad
Chain of narrators – people who conveyed a hadith from the Prophet (peace and blessings of Allah be upon him).
Isra’
Night journey of the Prophet (peace and blessings of Allah be upon him) when he was taken from Makkah to Jerusalem.
Iqamah
Second call to prayer.
J
Jibril
Angel (Gabriel)
Jihad
Struggle, strive to please Allah.
Jinn
A creation of Allah (from smokeless fire).
Jumuah
Friday.
K
Kafir
One who rejects the truth; disbeliever; ungrateful.
Khateeb
One who delivers a sermon (especially on Friday).
Kufr
Disbelief.
M
Masjid
Mosque.
Mi’raj
Ascending of the Prophet (peace and blessings of Allah be upon him) into the seven heavens on the night of Isra’.
Mufassir
Scholar who explains/comments on the meanings of the Quran.
Muhaddith
Scholar of the science of hadith.
Muhajirun
Muslims of Makkah who emigrated with the Prophet (peace and blessings of Allah be upon him) to Madinah.
Mujahid
Someone who performs jihad.
Munafiq
Hypocrite, one who pretends to believe in Islam though he does not.
Mushrik
Polytheist.
Mustahabb
Liked (in respect of good deeds subject to reward but for which there is not punishment if not done).
N
Nafs
Soul.
Q
Qadr
Destiny, predestination.
Qareen
The jinn assigned to every human being.
Qiblah
Direction for prayer.