Synonyms of obsessive
1
a
: tending to cause obsession
b
: excessive often to an unreasonable degree
an obsessive interest
2
: of, relating to, or characterized by obsession : deriving from obsession
obsessive noun
obsessively adverb
obsessiveness noun

Examples of obsessive in a Sentence

Many dancers are obsessive about their weight. He is an obsessive workaholic who never stops thinking about his job. an obsessive interest in space travel The new therapy is supposed to help people control their obsessive thoughts.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Lagonda brand was all but forgotten by the 21st century, except by a few obsessive gearheads and, of course, the people inside Aston Martin. — Will Sabel Courtney, Robb Report, 30 Oct. 2026 The obsessive pursuit of real and imagined enemies is constant as the Department of Justice lawyers file criminal complaints with frivolous and manufactured issues. — Voice Of The People, New York Daily News, 30 Oct. 2026 The tape obsessive tape-watching can be traced to his high school days. — Daniel Sperry, Kansas City Star, 29 Oct. 2026 Many of us know (or have experienced firsthand) this kind of controlling, jealous, obsessive behavior from a romantic partner. — Literary Hub, 28 Oct. 2026 See All Example Sentences for obsessive

Word History

Etymology

obsess + -ive

First Known Use

1897, in the meaning defined at sense 1a

Time Traveler
The first known use of obsessive was in 1897

Cite this Entry

“Obsessive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obsessive. Accessed 7 Nov. 2026.

Kids Definition

obsessive

adjective
: of, relating to, having, or being an obsession
obsessively adverb

Medical Definition

obsessive

1 of 2 adjective
: of, relating to, causing, or characterized by obsession : deriving from obsession
obsessive behavior
obsessively adverb
obsessiveness noun

obsessive

2 of 2 noun
: an obsessive individual
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