| Arabic term | Definition |
| ‘Abd | Slave, servant |
| Adab | Manners, etiquette |
| Adhan | Call to come to prayer |
| Alhamdu lillah | “Praise be to Allah” |
| Allahu Akbar | “Allah is All-Great” |
| ‘Alayhis salam [Abbrev. as] | “Peace be upon the Prophets or angels” |
| ‘Alim | Scholar |
| Ansar | Muslim residents of Madinah who helped the Messenger of Allah [saws] and those who emigrated from Makkah |
| ‘Aqeedah | Islamic doctrine |
| ‘Ashura | Tenth day of Islamic month of Muharram |
| ‘Asr | Obligatory afternoon prayer |
| Astaghfirullah | “I seek Allah’s forgiveness” |
| Awqaf | Islamic charitable trust |
| ‘Awrah | Private parts that must be covered |
| Ayah | Verse of the Qur’an |
| Bay’ah | Oath of allegiance to Prophet [saws] |
| Bid’ah | Innovation in religion |
| Birr | Righteousness |
| Da’i | A person calls people to Islam |
| Dajjal | Anti-Christ |
| Da’wah | Calling people to Islam |
| Deen | Religion of Islam |
| Dhikr | Remembrance of Allah [swt] |
| Dhuhr | Obligatory noon prayer |
| Dinar | Gold currency |
| Dirham | Silver currency |
| Du’a | Supplication to Allah [swt] |
| Duha | Forenoon prayer |
| Dunya | This world |
| Fajr | Obligatory dawn prayer |
| Fard | Obligatory |
| Fard kifayah | Communal obligation |
| Fard ‘ayn | Individual obligation |
| Fatwa | Religious verdict |
| Fiqh | Islamic jurisprudence |
| Fitnah | Trial |
| Fitrah | Nature of man |
| Ghayb | Knowledge of the unseen |
| Ghusl | Ritual bath after sexual intercourse and menstruation |
| Hadith | Sayings, actions and approvals of the Messenger of Allah [saws] as narrated by his Companions |
| Hadith Qudsi | Allah’s speech, other than the Qur’an, as narrated by the Prophet [saws] |
| Hajj | Obligatory once-in-a-lifetime major pilgrimage to Makkah for Muslims with means |
| Halal | Permissible |
| Halqah | Study circle |
| Haram | Prohibited |
| Hasan | Acceptable hadith |
| Haya’ | Shyness |
| Hilal | Crescent |
| Hijab | Muslim woman’s clothing |
| Hijrah | Migration of Prophet [saws] and his Companions from Makkah to Medina |
| ‘Eid | Muslim festival to commemorate end of Hajj or fasting in Ramadan |
| ‘Iddah | Waiting period to be observed by divorced woman before she can marry |
| ‘Ijma | Consensus of the scholars |
| ‘Ijtihad | Judgement based on Qur’an and Sunnah |
| Imam | Leader of community or prayer |
| Iman | Faith, belief |
| Iqamah | Call to commence prayer |
| ‘Isha’ | Obligatory night prayer |
| Isnad | Chain of narration of hadith |
| I’tikaf | Spiritual retreat in mosque in last ten days of Ramadan |
| Jahili | Relating to the period of ignorance before Islam |
| Jahiliyyah | Period of ignorance before Islam |
| Jama’ah | Muslim congregation or community |
| Janazah | Funeral prayer |
| Jannah | Paradise |
| Jibreel | Angel Gabriel |
| Jihad | Striving for Allah’s Cause |
| Jilbab | Muslim woman’s loose outer clothing |
| Jinn | Allah’s creation of beings from fire and smoke with Satan as their most famous member |
| Jumu’ah | Friday congregational prayer |
| Kafir | Disbeliever of Islam |
| Khalifah | Muslim rulers who succeeded Prophet [saws] |
| Khamr | Alcoholic drink |
| Khilafah | Khalifah’s period of leadership |
| Khutbah | Sermon given in Friday congregational prayer, ‘Eid prayer and on marriage |
| Kufr | Disbelief of Islam |
| La ilaha illa Allah | “There is no god worthy of worship except Allah” |
| Laylat al Qadar | One of the odd-numbered nights in the last ten days of the Islamic month of Ramadan |
| Maghrib | Sunset prayer |
| Makruh | Disliked but permissible |
| Mahram | Man prohibited to marry a woman and therefore allowed to be in her presence alone |
| Masjid | Mosque |
| Madhhab | School of Islamic thought |
| Minbar | Steps mounted by Imam when delivering sermon in Friday congregational prayer |
| Mufassir | Scholar who interprets the Qur’an |
| Muhajir | Muslims who migrated to Medina with Prophet [saws] |
| Mujahid | A person who exercises judgement based on Qur’an and Sunnah |
| Mujahid | A person who strives in Allah’s Cause |
| Muharram | First Islamic month |
| Munafiq | Overtly Muslim person who does not believe in Islam |
| Munkar | Rejected |
| Musalla | Prayer place |
| Mushrik | A person who associates partners with Allah [swt] |
| Nafl | Voluntary Islamic acts or worship |
| Qadar | Allah’s Decree |
| Qadi | Judge in Islamic court |
| Qawwam | Protector and maintainer |
| Qiblah | Prayer direction towards to Al-Ka’bah in Makkah |
| Qiyam al layl | Standing in voluntary night prayer |
| Radiy Allahu ‘anhu/’anha/’anhuma/’anhum [Abbrev. ra] | “May Allah [swt] be pleased with him/her/two of them/more than two of them” |
| Rak’ah | Unit of prayer |
| Ruku’ | Bowing in prayer |
| Sadaqah | Voluntary charity |
| Sahabah | Companions of Prophet [saws] |
| Sahih | Authentic hadith |
| Sahur | Pre-dawn meal consumed before fasting next day |
| Salaf | Companions of Prophet [saws] |
| Salah | Islamic prayer |
| Salam | Islamic greeting of peace |
| Sall Allahu ‘alayhi wa sallam [Abbrev. saws] | “May Allah’s peace and praise be upon the Prophet” |
| Sanad | Chain of narration |
| Shahadah | Testimony of Islamic faith or martyrdom in Allah’s Cause |
| Shahid | Martyr in Allah’s Cause |
| Sham | Middle-East region including Palestine, Syria, Jordan and Lebanon |
| Shari’ah | Primary Islamic law of Qur’an and Sunnah |
| Shawwal | Tenth Islamic month |
| Shaytan | Satan |
| Shirk | Association of partners with Allah [swt] |
| Sirah | Biography of Prophet [saws] |
| Siyam | Fasting |
| Subh | Obligatory dawn prayer |
| Subhanahu wa ta’ala [Abbrev. swt] | Exalted is Allah above weakness and indignity |
| Sujud | Prostration in prayer |
| Sunnah | Teaching, guidance and way of the Prophet [saws] |
| Surah | Chapter of the Qur’an |
| Tabi’i | Student of Companions of the Prophet [saws] |
| Tafsir | Interpretation of the Qur’an |
| Tahajjud | Voluntary night prayer between ‘isha’ and fajr |
| Tahlil | “There is no god worthy of worship except Allah” |
| Tajwid | Phonetically correct recitation of Qur’an |
| Takbir | “Allah is All-Great” |
| Taqlid | Blind following of schools of Islamic thought |
| Taqwa | Consciousness of Allah [swt] |
| Tasbih | “Exalted is Allah” |
| Tashahhud | Last part of the prayer in which the testimony of faith is recited |
| Tayammum | Ritual ablution with clean earth for prayer |
| Taslim | Saying Islamic greeting of peace to finish the prayer |
| Tawaf | Circumambulation of the Ka’bah during pilgrimage to Makkah |
| Tawhid | Belief in the oneness of Allah [swt] in His Essence and Attributes |
| ‘Ulama | Islamic scholars |
| Ummah | Nation of Islam |
| ‘Umrah | Voluntary minor pilgrimage to Makkah |
| Wahy | Revelation from Allah [swt] |
| Wajib | Obligatory act of worship |
| Witr | Voluntary night prayer with odd number of rak’ah |
| Wudu’ | Ritual ablution with water for prayer |
| Yawm ‘Arafah | Ninth day of twelfth Islamic month of Dhul Hijjah |
| Zakah | Obligatory charity tax on wealth |
| Zalimun | Wrongdoers |
| Zina | Adultery |