obsessive

adjective

ob·​ses·​sive äb-ˈse-siv 

əb-

1

a

: tending to cause obsession

b

: excessive often to an unreasonable degree

2

: of, relating to, or characterized by obsession : deriving from obsession

obsessive noun

obsessively adverb

obsessiveness noun

Synonyms

• 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

One of those eccentricities was James’s obsessive fixation on witches. —Emily Zarevich, JSTOR Daily, 3 Sep. 2025

Over the weekend, as online sleuths scoured photos of Trump for evidence of any frailty, the political scientist Ian Bremmer pointed out that obsessive scrutiny of a leader’s health is a hallmark of authoritarian countries. —Brian Stelter, CNN Money, 2 Sep. 2025

Just as Manning accelerated his growth through obsessive attention to detail, studying defenses and the sleight of hand of play-action artists like Boomer Esiason, Nix is more than willing to get bleary-eyed in the film room or pick the brain of future Hall of Famer Drew Brees. —Troy Renck, Denver Post, 1 Sep. 2025

Futureproof is a documentary techno-thriller that explores how our obsessive anticipation of the end of the world may be bringing our darkest fantasies to life. —Matthew Carey, Deadline, 28 Aug. 2025

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