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PHILADELPHIA (CBS) — Tributes have been pouring in following the passing of Senator John McCain, a man often described as a ‘maverick’.

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Nationally, headlines tried to summarize the man’s 81-year-long life and the impact he had on the world.

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Along with the word “hero” and “political giant”, the word “maverick” was used to describe Sen. John McCain repeatedly.

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A maverick is “an independent individual who does not go along with a group or party,” defines Merriam-Webster.

The reference book publisher reported the spike in the search trend for the noun and adjective Saturday evening.

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Senator John McCain left behind an enduring legacy and it appears that even beyond death he continues to impact and teach.

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A true maverick if there ever was one.