obsessive

adjective

ob·​ses·​sive äb-ˈse-siv 

əb-

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

Synonyms of obsessive

• impulsive
• compulsive
• obsessional

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

March 2026 Prose's debut novel is centered around Molly Gray, a 25-year-old maid at the Regency Grand Hotel, a five-star boutique hotel, who has an obsessive love of cleaning and proper etiquette. —Angeline Jane Bernabe, ABC News, 3 Mar. 2026

Hjorth’s protagonists also turn that obsessive attention outward—to try to understand others. —Honor Jones, The Atlantic, 3 Mar. 2026

Mania of the week Graphomania — obsessive compulsion to write, also known as scribomania. —Scott Lafee, San Diego Union-Tribune, 3 Mar. 2026

Modi has a gentle disposition and an obsessive, almost insatiably curious mind. —Rosy Cordero, Deadline, 2 Mar. 2026

Word History

Etymology

obsess + -ive

First Known Use

1897, in the meaning defined at sense 1a

Phrases Containing obsessive

• obsessive-compulsive
• obsessive-compulsive disorder

Rhymes for obsessive

• aggressive
• compressive
• concessive
• depressive
• excessive
• expressive
• impressive
• oppressive
• possessive
• progressive
• recessive
• regressive

Kids Definition

obsessive

adjective

ob·​ses·​sive äb-ˈses-iv 

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- 

: 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