Upside-down nautilus Synonyms

We can't find synonyms for the phrase "Upside-down nautilus", but we have synonyms for terms, you can combine them.

UN abbreviation

UN is an abbreviation for Upside-down Nautilus
What does UN stand for?
UN stands for "Upside-down Nautilus"

Definitions for Upside-down


  • (adjective) lacking in order, neatness, and often cleanliness
  • (adjective) being in such a position that top and bottom are reversed

Definitions for Nautilus


  • (noun) cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
  • (noun) cephalopod mollusk of warm seas whose females have delicate papery spiral shells
  • (noun) a submarine that is propelled by nuclear power