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.
Generating scholarly tomes at a rate of more than one a year involves obsessive amounts of research. — Sean Timberlake, Sacbee.com, 7 Oct. 2026 Yet tailoring is also one of fashion’s great luxuries — an intimate, almost obsessive process of shaping cloth around the body. — Tyler Matthew Oyer, Los Angeles Times, 7 Oct. 2026 Despite their obsessive purchasing, according to historian Andrew Lownie, by the 1950s, the Windsors often failed to pay their massive bills from the great jewelry houses. — Hadley Hall Meares, Vanity Fair, 7 Oct. 2026 Not only does Jeong-yo have an emotional connection to his music performance that Pi-o struggles to find himself, but Pi-o has injured his pinky in the leadup to the final performance, thanks to his obsessive practicing. — Kayti Burt, Time, 6 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 13 Oct. 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