Formidable

Tumult

a loud, confused noise, especially one caused by a large mass of people

guerilla

a member of a small independent group taking part in irregular fighting, typically against larger regular forces

Decorum

a particular requirement of good taste and propriety

virtuoso

a person highly skilled in music or another artistic pursuit

quandary

a state of perplexity or uncertainly over what to do in a difficult situation

embargo

an official ban on trade or other commercial activity with a particular country

Formidable

inspiring fear or respect through being impressively large, powerful, intense, or capable

Divulge

make known ( private or sensitive information )

immune

protected or exempt, especially from an doligation or the effects of something

spectrum

used to classify something, or suggest that it can be classified, in terms of its position on a scale between two extreme or opposite points