Adjective
expressing a grammatical category by using two or more words rather than inflection
not inflected
(of the voice) not inflected
Source: WordNet`boy' and `swim' are uninflected English words Source: Internet
uninflected words Source: Internet
monotonic uninflected speech Source: Internet
Adjectives as collective plurals Certain adjectives can be used, uninflected, as plurals denoting people of the designated type. Source: Internet
Other Romance languages (including Spanish, Romanian, Catalan, and some Italian dialects) allow uninflected infinitives to combine with overt nominative subjects. Source: Internet
The end of Early Middle Japanese sees the beginning of a shift where the attributive form (Japanese rentaikei) slowly replaces the uninflected form (shūshikei) for those verb classes where the two were distinct. Source: Internet