Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:8747 – ʿAlī b. ʿAbd al-ʿAzīz > Abū Nuʿaym > Sufyān > Yazīd b. Ḥayyān > ʿAnbas b. ʿUqbah > ʿAbdullāh b. Masʿūd

[Machine] I heard Abdullah ibn Mas'ood saying, "There is nothing more deserving of long imprisonment than the tongue."  

الطبراني:٨٧٤٧ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ ثنا أَبُو نُعَيْمٍ ثنا سُفْيَانُ عَنْ يَزِيدَ بْنِ حَيَّانَ عَنْ عَنْبَسِ بْنِ عُقْبَةَ قَالَ

سَمِعْتُ عَبْدَ اللهِ بْنَ مَسْعُودٍ يَقُولُ «مَا مِنْ شَيْءٍ أَحَقُّ بِطُولِ سِجْنٍ مِنْ لِسَانٍ»  

See similar narrations below:

Collected by Ṭabarānī
tabarani:8746 – Muḥammad b. ʿAlī b. Shuʿayb al-Simsār > Khālid b. Khirāsh > Fuḍayl b. ʿIyāḍ > Sulaymān al-Aʿmash > Yazīd b. Ḥayyān > ʿAnbas b. ʿUqbah

[Machine] "Abdullah said, 'There is nothing on earth that deserves a longer prison sentence than (the harm caused by) the tongue.'"  

الطبراني:٨٧٤٦ – حَدَّثَنَا مُحَمَّدُ بْنُ عَلِيِّ بْنِ شُعَيْبٍ السِّمْسَارُ ثنا خَالِدُ بْنُ خِرَاشٍ ثنا فُضَيْلُ بْنُ عِيَاضٍ عَنْ سُلَيْمَانَ الْأَعْمَشِ عَنْ يَزِيدَ بْنِ حَيَّانَ عَنْ عَنْبَسِ بْنِ عُقْبَةَ قَالَ قَالَ

عَبْدُ اللهِ «مَا عَلَى الْأَرْضِ شَيْءٌ أَحَقُّ بِطُولِ سِجْنٍ مِنْ لِسَانٍ»