Definition of "as though"
as though
conjunction
As to suggest the idea that; as if, as would be true if.
Quotations
"A fine man, that Dunwody, yonder," commented the young captain, as they parted, and as he turned to his prisoner. "We'll see him on in Washington some day. […] A strong man—a strong one; and a heedless." ¶ "Of what party is he?" she inquired, as though casually.
1910, Emerson Hough, chapter I, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company
By that stage Townsend, playing again as though immune to any form of nerves, had curled a lovely, left-footed effort against the crossbar and Welbeck had slashed a shot wide from a position when he really should have done better.
15 October 2013, Daniel Taylor, “Steven Gerrard goal against Poland ensures England will go to World Cup”, in The Guardian