2 Metaphors for nicety

With merely superficial good manners, he was never certain whether the punctilious niceties observed toward him by the Spragues and Atterburys were not a species of studied satire.

If Life had thus far been callously frank with Sofia as to its broader aspects, the niceties of its technique remained measurably a mystery, she was insufficiently instructed to perceive that Victor's morning coat (for example) had been cut a shade too cleverly, or that the ensemble of his raiment was a trace ornate; and where a mind more mondain would have marked ponderable constraint in his manner, she saw only dignity and reserve.

2 Metaphors for  nicety