ugra
ugra/ mfn. (said to be fr. √ uc [ Uṇ. ii, 29 ], but probably fr. a √ uj , or √ vaj , fr. which also ojas , vAja , vajra may be derived; compar. ugratara and o/jIyas ; superl. ugratama and o/jizWa ), powerful, violent, mighty, impetuous, strong, huge, formidable, terrible