dreadful 01763 ## d@chal (Aramaic) {deh-khal'} ; corresponding to 02119 ; to slink , i . e . (by implication) to fear , or (causatively) be formidable : -- make afraid , {dreadful} , fear , terrible .
dreadful 03374 ## yir'ah {yir-aw'} ; feminine of 03373 ; fear (also used as infinitive) ; morally , reverence : -- X {dreadful} , X exceedingly , fear (- fulness) .