Dictionary.com

obsessive

[ uhb-ses-iv ]
/ əbˈsɛs ɪv /
Save This Word!
See synonyms for: obsessive / obsessiveness on Thesaurus.com

adjective
being, pertaining to, or resembling an obsession: an obsessive fear of illness.
causing an obsession.
excessive, especially extremely so.
noun
someone who has an obsession or obsessions; a person who thinks or behaves in an obsessive manner.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of obsessive

First recorded in 1910–15; obsess(ion) + -ive

OTHER WORDS FROM obsessive

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use obsessive in a sentence

British Dictionary definitions for obsessive

obsessive
/ (əbˈsɛsɪv) /

adjective
psychiatry motivated by a persistent overriding idea or impulse, often associated with anxiety and mental illness
continually preoccupied with a particular activity, person, or thing
noun
psychiatry a person subject to obsession
a person who is continually preoccupied with a particular activity, person, or thing

Derived forms of obsessive

obsessively, adverbobsessiveness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK