The short answer
Taqiyya is an Arabic term, from a root associated with caution or guarding oneself, for the practice of concealing one’s religious beliefs or identity when facing serious danger, such as persecution or coercion. In scholarly accounts it is a defensive provision for protecting life and safety. It is not generally understood as a broad permission to deceive others.
Etymology and Quranic basis
The word derives from a root linked to fear, caution and protection. Discussions of taqiyya usually cite verses of the Quran, including 16:106, traditionally connected to the early Muslim Ammar ibn Yasir, who is reported to have verbally renounced his faith under torture while remaining firm in his heart, and 3:28, which is interpreted differently by different commentators.
Sunni and Shia views
Both major branches of Islam have discussed the idea of concealing belief under duress. In Sunni jurisprudence the topic is typically treated under concepts of compulsion (ikrah) and necessity, with firm limits, especially when it comes to harming others. In Shia thought, taqiyya has been given more prominence, which scholars link to the history of minority communities facing persecution. Shia scholars have also discussed varying forms and conditions, and different Shia communities, such as Twelver and Ismaili, have treated it differently. Other groups, including Druze and Alawites, have also been discussed in scholarship in connection with religious secrecy.
Taqiyya and esoteric groups
Because some groups guarded their teachings from outsiders, taqiyya is sometimes linked with esoteric circles. Secrecy about inner teachings is not the same thing as taqiyya, though. The idea that certain teachings are for initiates is common to many traditions; see Sufism and esoteric Islam for the concept of the batin, the inner dimension.
Common misconceptions
- “Muslims are allowed to lie to non-Muslims.” Most scholars and historians reject this as a description of taqiyya. Truthfulness is a basic obligation in Islamic ethics, and taqiyya is framed as an emergency provision.
- “It is a strategy for deception.” This claim appears in some polemical writing, but scholarly treatments generally describe taqiyya as protective and tied to threats of serious harm.
- “It is unique to Islam.” Many religious minorities in history have concealed their faith when threatened.
Why it is debated
The term is politically charged. Critics and defenders both cite texts, and popular discussions online often mix scholarly definitions with polemic. If you are researching the topic, look for academic or traditional sources that cite primary texts, and be wary of single-sentence claims about what all Muslims believe. Wikipedia’s entry on taqiyya is a reasonable starting point to find further sources.