Wiktionary
de trop
a. excessive or superfluous
WordNet
de trop
adj. being excessive or unreasonable; "the clothes she wears are a bit much"; "in retrospect the elaborate preparations seemed de trop"; "this is entirely too much!" [syn: a bit much(p), too much(p)]
Usage examples of "de trop".
At first I went but rarely to their house, feeling myself de trop.
Monsieur de Chavannes did not stay long after I made my appearance, not wishing either to be, or to appear, de trop on a first visit.
Mr Bbyrdwood de Trop Blogg was among his most distant connections) but every honest to goodness man in the land of the space of today knows that his back life will not stand being written about in black and white.