Apte Sanskrit-English Dictionary
a. 1 Rough, harsh, not smooth or soft (as touch, sound &c.), rūkṣasvaraṃ vāśati vāyaso'yaṃ Mk. [Page0916-a+ 57] 9. 10; Ku. 7. 17.
2 Astringent (taste).
3 Rough, uneven, diffi- cult, austere.
4 Sullied, soiled, dirtied; R. 7. 70; Mu. 4, 5.
5 Cruel, unkind, harsh; nitāṃtarūkṣābhi- niveśamīśaṃ R. 14. 43; saṃrabhaṃrūkṣamiva suṃ- dari yadyadāsīt V. 3. 20; Ś. 7. 32; Pt. 4. 91.
6 Arid, parched up, dry, dreary;...