obsessive
adjective
being, pertaining to, or resembling an obsession.
obsessiveness
-
a word derived from
obsessive.
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.
His obsessiveness quickly filtered through every part of the program.
From The Wall Street Journal ● Jan. 13, 2026
According to his former associate, Sacks pursues his objectives with an obsessiveness that serves him well in Silicon Valley's company-building culture.
From Barron's ● Dec. 24, 2025
Zawadzki also warns to make sure your love for your hobby doesn’t cross the line into obsessiveness — a problem he was introduced to when he studied gaming culture.
From Los Angeles Times ● Aug. 30, 2023
This passion requires patience and a certain obsessiveness, as well as a willingness to learn the basics of geometry and physics.
From New York Times ● Aug. 26, 2021
The same obsessiveness would surface in his later life, whether in his duties at the Royal Mint or in his many disputes with people such as Hooke and Gottfried Leibnitz, the other inventor of calculus.
From "The Scientists" by John Gribbin
