overmastering

adjective

over·​mas·​ter·​ing ˌō-vər-ˈma-stə-riŋ 

: dominant sense 1a

overmastering behavior

the overmastering question

Synonyms

• arch
• big
• capital
• cardinal
• central
• chief
• dominant
• first
• foremost
• grand
• great
• greatest
• highest
• key
• leading
• main
• master
• number one
• No. 1
• numero uno
• overbearing
• overriding
• paramount
• predominant
• preeminent
• premier
• primal
• primary
• principal
• prior
• sovereign
• sovran
• supreme

Examples of overmastering in a Sentence

a matter that should be given overmastering priority by the incoming administration

Word History

First Known Use

1613, in the meaning defined above