chiefly What is the Definition of chiefly?Adverb:for the most part Other meanings of chiefly (synonyms, cognates). ENRU chiefly в основном Frequently viewed: desk definitiontank meaningblindly meaninglate meaningintro meaningaggregate meaningname in a sentencedog definitiontravel meaningreasonable meaningsquare definitionnaturally meaning 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