- past progressive of master.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Crews of the S-300V systems were "mastering new position areas" of the Russian long range surface-to-air missile systems, the news agency reported, citing a ministry statement.
From Reuters • Dec. 26, 2022
Back in New Hampshire, the educators pushed aside the tables and were mastering a series of stretching movements known as qigong.
From Seattle Times • Aug. 26, 2022
We conducted three surveys during the semester to be sure that NYU’s online students were mastering the material as if they were live in a classroom.
From Slate • Mar. 11, 2020
They were mastering the art of the selfie long before social media but they self-describe their rationale as such: “Wherever we are is a museum.”
From The Guardian • Aug. 6, 2019
The flames were mastering the branches, the bark was curling and falling away, the wood exploding.
From "Lord of the Flies" by William Golding
![]()