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 obsessive neat freak beneath the easygoing surface of the virtue-signaling feminist ally might have made an amusing motif if it were ever referenced again. David Rooney, HollywoodReporter, 14 Sep. 2026 At the same time, wearables, like smart rings and watches, are transforming the way everyday people view sleep, turning their resting hours into rich datasets to pore over, sometimes to unhealthy obsessive levels. Mack Degeurin, Popular Science, 9 Sep. 2026 But per the Black List, the story follows an antisocial man suffering from obsessive compulsions who is haunted by the death of his hoarder mother. Matt Grobar, Deadline, 9 Sep. 2026 Their take on the story of Agamemnon’s obsessive daughter — fixated on revenge since his death at the hands of her mother, Clytemnestra — should be something fierce to behold. Jackson McHenry, Vulture, 8 Sep. 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 17 Sep. 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
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