acobardar

v. daunt, intimidate; unman, cause to lose characteristics that are considered to be manly (especially courage)

v. discourage, cause to lose heart, dishearten

= browbeat, bully.
Ex: Care must be exercised in seeing that these teaching aids do not become weapons to browbeat with.
Ex: The director returned to his paperwork, nothing in his heart but hot shame at having permitted himself to be bullied into submission by this disagreeable public official.
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* acobardarse = wuss out.