The crossword solutions for the term BLIGHT are SACRE (5 letters), AZUR (4 letters), and MER (3 letters). The phrase 'Sacre Bleu!' is a French interjection of surprise or shock, which is often used to express dismay or disappointment. The words SACRE and AZUR both mean 'SACRED' and 'BLUE' respectively in French, while MER means 'SEA'. Therefore, the phrase 'Sacre Bleu!' can be interpreted as an expression of dismay at the sight of something BLUE and SACRED, such as the SEA, being blighted.