To embarrass. 1608, 1686, 1713: N.E.D.

1

1840.  We do not learn as they were in the least difficultied to look upon him.—Millennial Star, June, p. 42.

2

1845.  We are not difficult at all on [that] score.—Bush, ‘The Resurrection,’ p. 51 (Bartlett).

3