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

And although that single failure doesn’t disqualify him from being able to lead, some of his other qualities — obsessive perfectionism, hyper-focus that can come off as aloofness, a tendency to go his own way — aren’t always serving him well in tense moments such as this one. —Michael Silver, New York Times, 16 Jan. 2026

But the symphonies’ start-and-stop contrasts and obsessive rhythmic gestures challenge the conductor to manage the ebb and flow of energy within overarching structures. —Scott Cantrell, Dallas Morning News, 16 Jan. 2026

Dementia can also manifest as uncharacteristic-obsessive compulsive disorder or hoarding behavior, Cruz-Saavedra adds. —Angela Haupt, Time, 15 Jan. 2026

The modern world offers an endless selection of rabbit holes, into which those of us with obsessive tendencies can pour virtually unlimited amounts of time, energy and love. —Loz Blain january 15, New Atlas, 15 Jan. 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