uninflected

adj.

1. 无屈折变化的；无屈折的
   not changing its form to show different functions in grammar

adj

1. expressing a grammatical category by using two or more words rather than inflection

   Synonym:    analytic

2. not inflected
   1. `boy' and `swim' are uninflected English words

3. (of the voice) not inflected
   1. uninflected words
   2. monotonic uninflected speech