1. Not imagined even in a dream
   - undreamed, undreamed of, undreamt of, unimagined

See also: incredible, unbelievable

• blastomycotic
• blastoporal
• blastopore
• blastoporic
• blastosphere
• blastospheric
• blastula
• blastular
• blasé
• blat
• blat out
• blatancy
• blatant
• blatantly
• blate
• blather
• blatherskite
• Blatta
• Blatta orientalis
• Blattaria
• Blattella
• Blattella germanica
• Blattidae
• Blattodea
• blaxploitation