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

Season 4 focuses on the search for a missing Navajo girl, which takes Leaphorn, Chee, and Manuelito (Jessica Matten) from the safety of the Navajo Nation to the gritty terrain of 1970s Los Angeles in a race against the clock to save her from an obsessive killer with ties to organized crime. —Rosy Cordero, Deadline, 31 Mar. 2026

Milly Alcock knows a thing or two about obsessive fandoms. —Sharareh Drury, Entertainment Weekly, 31 Mar. 2026

According to those close to Selena, Saldívar began to show obsessive behavior. —Kelsie Gibson, PEOPLE, 31 Mar. 2026

Felder, an architect with an obsessive streak, thought extensively about the design of his banner, ultimately opting for a white sign with lettering the precise shade of blue as the Star of David on the Israeli flag. —Eyal Press, New Yorker, 30 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