Who cares? What does it matter? For example, You're not going to the beach today? Well, so what, you can go tomorrow, or So what if she left without saying goodbye—she'll call you, I'm sure. [First half of 1900s] Also see what of it.
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How to use so what in a sentence
But so-called jungle primaries are notoriously hard to predict or poll.The Golden State Preps for the ‘Red Wedding’ of Senate Races|David Freedlander|January 9, 2015|DAILY BEAST
It was followed by several told-you-so articles with titles like “Have No Illusion: Islam Is the Enemy.”
“Gently rolling hills” roll not-so-gently under my tires, but the English countryside scenery is soporific.
Now is hardly the time to be doing anything on the so-called peace process other than trying to avoid an explosion on the ground.Why We Should Delay The Israel-Palestinian Peace Process|Aaron David Miller|December 19, 2014|DAILY BEAST
It also demonstrated that the so-called “trend” of natural went beyond trend.Goodbye To A Natural Hair Guru: Miss Jessie's Cofounder Titi Branch Dead At 45|Danielle Belton|December 16, 2014|DAILY BEAST
Many so-called "humming tones" are given for practice, but in accepting them observe whether the foregoing principle is obeyed.Expressive Voice Culture|Jessie Eldridge Southwick
In future years the poor-rate (so-called) will include, in addition to these, all other rates levyable by the Corporation.Showell's Dictionary of Birmingham|Thomas T. Harman and Walter Showell
Perhaps his almost perfectly spontaneous love of tiny flowers is already a considerable advance on his so-called prototype.Children's Ways|James Sully
The so-called war credit banks are designed to serve this purpose.Readings in Money and Banking|Chester Arthur Phillips
Coals!what would he do with coals?Toast his cheese with em, and then come back for more.Oliver Twist, Vol. II (of 3)|Charles Dickens