Reviewing the list of most looked-up words on the internet provides a glimpse into what words perplex readers — when they are using real English words as opposed to texting language like BRB, OMG and LOL. According to Merriam-Webster, in 2010 the top ten most frequently words are high-school level words:
Clearly, the readers of the New York Times are a more discerning, erudite group of readers since their word look-ups are far more challenging, beyond the average SAT vocabulary. Below is the list of words looked up most often in 2011:
According to the Oxford Dictionaries the two most looked-up words in 2011 were “kawaii” (meaning cute) and “get” (hundreds of meanings, taking more than 9 pages in the OED).
For further reading: http://www.merriam-webster.com/top-ten-lists/top-10-most-frequently-looked-up-words/pretentious.html