mainstream What is the Definition of mainstream?Noun:the prevailing current of thought Other meanings of mainstream (synonyms, cognates). ENRU mainstream основнойпоток Frequently viewed: ask definitionyarn in a sentencehandler meaninghost meaningthemselves meaningtip meaningdefinition of culturaldefinition of reviewtold definitionworthwhile meaningdatabase in a sentencedestroy definition A B C D E F G H I J K L M N O P Q R S T U V W X Y Z