In Quranic phonetics, Meem Sakinah (مْ) refers to the letter Meem having a Sukoon (zero vowel movement). Because the letter Meem originates directly from between the two lips (Ash-Shafatain), all three rules governing Meem Sakinah are classified as Shafawi (labial / lip-related) rules.

Overview: The 3 Rules of Meem Sakinah

Unlike Noon Sakin which has four rules, Meem Sakinah possesses only three rules depending upon the subsequent letter:

Rule Name Subsequent Letter(s) Ghunnah Duration Quranic Example
1. Ikhfa Shafawi (إخفاء شفوي) Letter Baa (ب) only 2 Counts (Harakat) تَرْمِيهِم بِحِجَارَةٍ
2. Idgham Shafawi (إدغام شفوي) Letter Meem (م) only 2 Counts (Harakat) لَهُم مَّا يَشَاءُونَ
3. Izhar Shafawi (إظهار شفوي) All remaining 26 letters No Extra Ghunnah أَلَمْ تَرَ , هُمْ فِيهَا

1. Ikhfa Shafawi (Labial Concealment)

When a Meem Sakin occurs at the end of a word and the very next word starts with the letter Baa (ب), the Meem is concealed. Both Meem and Baa originate from the lips; rather than fully pressing the lips tight as in normal Meem, the reciter brings the lips together gently with slight contact and sustains a rich, balanced 2-count Ghunnah.

  • Surah Al-Fil (105:4): تَرْمِيهِم بِحِجَارَةٍۢ مِّن سِجِّيلٍ (Tarmeehim bihijaarah).
  • Surah Al-Ghashiyah (88:22): لَّسْتَ عَلَيْهِم بِمُصَيْطِرٍ (Lasta 'alayhim bimusaytir).

2. Idgham Shafawi (Labial Merging / Mithlayn Sagheer)

When a Meem Sakin meets another vowelled Meem (مَ , مِ , مُ), the first silent Meem merges completely into the second, forming a single intensified Meem with a Shaddah (ـّ) and a complete 2-beat nasal resonance (Ghunnah).

  • Surah Quraysh (106:4): وَءَامَنَهُم مِّنْ خَوْفٍۭ (Wa aamanahum-min khawf).
  • Surah Al-Baqarah (2:10): فِي قُلُوبِهِم مَّرَضٌ (Fee quloobihim-maradhun).

3. Izhar Shafawi (Labial Clarity)

If the Meem Sakin is followed by any Arabic letter other than Baa or Meem, it is pronounced with complete clarity (Izhar). The lips close normally without holding or prolonging the natural base Ghunnah.

Crucial Warning on Waw (و) and Faa (ف): The great scholar Imam Al-Jamzuri warned in Tuhfat al-Atfal:
"And beware of hiding it near Waw and Faa, because of proximity (in articulation) and union (of lips)."
Because Faa and Waw also originate from the lips, inexperienced reciters frequently slip and accidentally conceal the Meem before them. You must make a conscious effort to pronounce the Meem distinctly when followed by Waw or Faa (e.g., عَلَيْهِمْ وَلَا and هُمْ فِيهَا).

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