Not in accordance with the theories of physics as laid out by Albert Einstein. / (rare) Unlike Albert Einstein; unintelligent.

(obsolete, nonce word) combined; united

(rare) That cannot be unravelled; (by extension) difficult to understand.

Alternative form of uncirced

plural of wrong 'un

Not Christmas-like.

Contrary to the principles of Palestinian culture

plural of thick-un

(UK, historical, obsolete slang) A crown coin; its value, five shillings.

Alternative form of untraumatic