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

The Residence starred Uzo Aduba as quirky detective Cordelia Cupp, who uses her cunning intellect and obsessive bird-watching abilities to crack otherwise unsolvable cases. —Andy Swift, TVLine, 2 July 2025

In a saturated mid-market bracket, Hampton’s leadership has managed to differentiate the brand through an obsessive drive to understand customers. —Dev Patnaik, Forbes.com, 30 June 2025

And some are just for the most obsessive Fabs scholars. —Rob Sheffield, Rolling Stone, 29 June 2025

Even the most obsessive dancing queen will find fresh storytelling and breadth in these pages. —Ew Staff Published, EW.com, 20 June 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