Extended Strong's Greek Lexicon (Abbott-Smith based)
fearful
Usage: φοβερός, -ά, -όν (φοβέω), [in LXX chiefly for יָרֵא, also for דְּחַל, אָיֹם ;] fearful, whether act, or pass.; __1. act., = δεινός, causing fear, terrible (LXX): Heb.10:27, 31 12:21 __2. Pass., = δειλός, feeling fear, timid (cl. in both senses).† (AS)