Xxi u-boats Synonyms

We can't find synonyms for the phrase "Xxi u-boats", but we have synonyms for terms, you can combine them.

Xxi Synonyms

U-boats Synonyms

XU abbreviation

XU is an abbreviation for Xxi U-boats
What does XU stand for?
XU stands for "Xxi U-boats"

Definitions for Xxi


  • (noun) the cardinal number that is the sum of twenty and one