HiFi vs MidFi


I’m a relative noob to the audiophile scene, having just invested in an integrated amp and upscale (for me) speakers.  From time to time, I hear the term “MidFi” for some components.  Is there an objective or just largely accepted definition for this term?  I’d be curious to hear feedback on what constitutes HiFi vs. MidFi across various components.  
128x128bigtex22
 When I go to gym and turn all head because I built and can bench and squat and do push jerk power snatch
I had one of those power snatches once. It was a doozy!

MidFi vs HiFi has nothing to do with budget, it has to do with the listener.  A HiFi listener seeks to get the most enjoyment and best sound he can while the MidFi listener is satisfied with the music as it is and isn't concerned with refining the sound.  HiFi is in large part a hobby while MidFi is a utility.
I just bought a pair of Radio Shack Optimus Pro LX-5 speakers for my buddies outdoor patio. 

$70 on the Bay. 

Man. Great little speakers and those Linaeum tweeters are so good. 
I read a recently review by a respected audio journalist of an integrated amp in the 6 grand range, upon which he rather effusively heaped praised for virtually every aspect of the product, but he was unable to resist mentioning that while rather excellent, the subject amp didn't sound quite as good as his $26,000.00 D'agostino mono blocks.

"Well, excuse me whilst I play the gr-r-r-r-rawnd piano"
-Monty Python

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