Complex Language

noun a style of writing or speaking characterized by bureaucratic jargon and complex language, often used by government officials or agencies

• The legal document was written in a dense federalese that was hard for the average person to understand.
• I couldn't make heads or tails of the federalese in that government report.
• I had to wade through all that federalese just to figure out what the regulations were.
• Her speech was full of federalese, making it difficult for the audience to follow along.

noun language that is meaningless or is made unintelligible by excessive use of technical terms

verb to speak or write in gobbledegook

• The document was filled with technical gobbledegook that was hard to decipher.
• I tried reading that article but it was full of gobbledegook.
• I can't make heads or tails of this gobbledegook!
• His explanation was just a bunch of gobbledegook, I couldn't understand a word.

noun a complicated or confusing statement or set of statements

• The speaker's convoluted explanation was filled with unnecessary mumbo jumbo.
• I can't make sense of all this mumbo jumbo in the instructions.
• Stop talking that mumbo jumbo, just tell me what you mean.
• Her mind was filled with a chaotic mix of thoughts, like a swirling pot of mumbo jumbo.

adjective a word that describes or gives more information about a noun, in this case 'ununderstandable' describes something that cannot be understood

• The complex scientific theory was ununderstandable to most of the students.
• The instructions were so ununderstandable that we had to ask for help.
• The new math concept is totally ununderstandable to me.
• His emotions were so mixed up and ununderstandable that no one could figure him out.