obsessive

adjective

ob·​ses·​sive äb-ˈse-siv How to pronounce obsessive (audio)
əb-
Synonyms of obsessivenext
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.
This is not just my obsessive personality. Nina Bandelj, Chicago Tribune, 6 June 2026 American Gangster is Lucas’ story, but the film is a true two-hander, with Crowe’s obsessive performance as Roberts balancing out Denzel's Lucas, who moves through the criminal world quietly and with control. Kevin Jacobsen, Entertainment Weekly, 6 June 2026 An almost-obsessive devotion to comfort, knowing that your roster of responsibilities is stressful enough without the annoyance of stiff, stuffy clothing. Stacia Datskovska, Footwear News, 4 June 2026 Behind Fernandez’s obsessive hitting tutelage, a young Bruins roster delivers national-best RBIs and on-base percentage. Liana Handler, Los Angeles Times, 1 June 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 10 Jun. 2026.

Kids Definition

obsessive

adjective
ob·​ses·​sive äb-ˈses-iv How to pronounce obsessive (audio)
əb-
: of, relating to, having, or being an obsession
obsessively adverb

Medical Definition

obsessive

1 of 2 adjective
ob·​ses·​sive äb-ˈses-iv, əb- How to pronounce obsessive (audio)
: 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

More from Merriam-Webster on obsessive

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster