My English writing has ALWAYS been flawed (big time), so when I read something on the net, I always try to ask myself whether it’s grammatically correct and try to stay away from commonly made mistakes. However, I’m sorta doomed right now, and while I can look like a complete idiot asking this, but why do people write “loose” instead of “lose” ? Is it some sort insides that everyone knows about (like the term owned and pwned that came from a typo and is not pretty common) except me ?

Somebody care to lighten me up on this matter ? -_-

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Definition:
Loose:
Not rigidly fastened or securely attached b (1) : having worked partly free from attachments (2) : having relative freedom of movement c : produced freely and accompanied by raising of mucus d : not tight-fitting. (merriam-wester.com)
Lose:
1 a : to bring to destruction —used chiefly in passive construction b : damn
2 : to miss from one’s possession or from a customary or supposed place
3 : to suffer deprivation of : part with especially in an unforeseen or accidental manner