A village in Walloon Brabant, Belgium; the site of a major military battle in 1815. / A battle fought at Waterloo, Belgium on June 18, 1815, resulting in the epic, final defeat of Napoleon Bonaparte.

Often in the term meet one's Waterloo: a notable and decisive defeat following an encounter with a powerful opponent or a problem that is too difficult.

plural of Waterloo

(dated) A kind of explosive cracker, pulled at both ends.

plural of Waterloo cracker

A bright medium blue colour.

To be decisively defeated by an encounter with a powerful opponent or a problem that is too difficult.

present participle of meet one's Waterloo

simple past tense and past participle of meet one's Waterloo

Third-person singular simple present indicative form of meet one's Waterloo