Unmatched used in a sentence

Unmatched in a sentence as an adjective

On C++ syntax errors: Syntax error: unmatched thing in thing from\n std::nonstd::__map<_Cyrillic, _$$$dollars> const\n basic_string< epic_mystery,mongoose_traits < char>,\n __default_alloc_ = maybe>>

"It has been said that von Neumann's intellect was absolutely unmatched.

Because it's 'tiring'.You are quite unmatched in the security arena with your technical prowess.

What's different now is that technology has progressed to the point where the invasiveness and secrecy of what goes on is unmatched.

MapQuest back then was clunky as ****, and nothing gave better and faster results than Google when it came on the scene, and certainly the speed and clean interface were unmatched.

The reason I still use google is force of habit, it took over chrome and most importantly: its incredible and unmatched indexing ability.

I agree it seems odd as the 4th gen touch is basically the same spec as the iPad 1, but in general their record in this area is unmatched by any of their competition.

These robber barons built generational fortunes whose relative scale and unshakable concentration are unmatched by anything since, including today.

English-language movies, books, and other authentic examples of use by native speakers are also pervasively available around the world in a degree unmatched by materials in any other language.