intimidating
From Longman Dictionary of Contemporary Englishintimidatingin‧tim‧i‧dat‧ing /ɪˈtɪmədeɪtɪŋ/ adjective WORRIEDmaking you feel worried and not confident Some people find interview situations very intimidating.► see thesaurus at frighteningExamples from the Corpusintimidating• Cawley received an intimidating letter from her ex-husband's lawyer.