sidely

From Middle English *sideli (adj), sideli (adverb), equivalent to side +‎ -ly. Cognate with German seitlich (“lateral”). Compare also sideling.

sidely (comparative more sidely, superlative most sidely)

1. (rare, nonstandard) Of or relating to the side (of something); lateral.
   • 2001, Torben Riise, The Eyes of The Sphinx:

     “ […] The evidence of that philosophy is found in its perennial focus on a 'this-sidely' world and an 'other-sidely' world.”

sidely (not comparable)

1. (rare, nonstandard) To the side; sideways; laterally; sideling; obliquely; indirectly.
   • 2011, Hubert Selby, eBook Architects, LLC, Last Exit to Brooklyn:

     […] satisfying her homosexuality with the keeping of a secret scrapbook of pictures of favorite male actors or athletes or by supervising the activities of young boys or visiting turkish^[sic] baths or mens^[sic] locker rooms, leering sidely while seeking protection behind a carefully guarded guise of virility […]

• slidey, yields, ylides