inside-out

• IPA^(key): /ˌɪnsaɪdˈaʊt/

inside-out (not comparable)

1. (rare, obsolete) Synonym of sidelong.
   • 1850 May, The New Monthly Magazine & Humourist, p. 111:

     ...with a nudge of the elbow, and an inside-out squint of his eyes...

2. With the inner and outer surfaces reversed.
   • 1893 May, Temple Bar, p. 31:

     These curious gloves... have two thumbs, so that by an inside-out process they can get another pair of gloves when the palm becomes worn out.

   • 1932 April, Michigan Technic, p. 6:

     This force is all that prevents the blades from pointing straight up like an inside-out umbrella.

   • 2009 September 7, The New Yorker, p. 25:

     Brian Rosenworcel... was wearing gray Crocs and an inside-out T-shirt.

3. (tennis) Describing cross-court shots made by the unexpected hand, as of a backhand return of a ball struck to the player's forehand.
   • 1977 March 15, The Washington Post, p. D5:

     ...cracking an ‘inside-out’ backhand past Rahim on the set point...

   • 2014 July 2, The Daily Telegraph, Sports Sect., p. 6:

     Kyrgios hits a thumping inside-out forehand to Raonic's weaker wing, the backhand.

• (with reversed inner & outer surfaces): extroverted (medical)

inside-out (not comparable)

1. Alternative form of inside out

• “inside-out, adj.”, in OED Online ⁠, Oxford: Oxford University Press, 2017.

• outside in