Definitions

1. adjective

situated or occurring at the farthest point to the right; most distant from the left.

“The rightmost page of the book contained valuable notes.”

2. adverb

at the farthest point to the right; most distant from the left.

“He walked rightmost around the track to get to the starting line.”

3. noun

the farthest point to the right; most distant from the left.

“The rightmost side of the chart showed the highest peak.”