This man's behavior is rather daunting.
An example of daunt is for a student to make a classmate feel inferior in intelligence.
Origin of dauntMiddle English daunten ; from Old French danter, donter ; from Classical Latin domitare, to tame, frequentative of domare, tame
transitive verbdaunt·ed, daunt·ing, daunts
Origin of dauntMiddle English daunten, from Old French danter, from Latin domitare, frequentative of domare, to tame; see dem&schwa;- in Indo-European roots.
(third-person singular simple present daunts, present participle daunting, simple past and past participle daunted)
Middle English daunten (also, to tame), from Old French danter, from Latin domitare (to tame); compare domare, to tame, conquer