incoherent

1. Without logical or meaningful connection (synset 300466953)
   "a turgid incoherent presentation"
   also:

   • illogical, unlogical - lacking in correct logical relation
   • irrational - not consistent with or using reason
   similar to:

   • confused, disconnected, disjointed, disordered, garbled, illogical, scattered, unconnected - lacking orderly continuity
   • fuzzy - confused and not coherent; not clearly thought out
2. (physics) of waves having no stable definite or stable phase relation (synset 300329551)
3. Unable to express yourself clearly or fluently (synset 300153372)
   "felt tongue-tied with embarrassment"; "incoherent with grief"
   similar to: inarticulate, unarticulate - without or deprived of the use of speech or words
   same as: tongue-tied

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