obsessional

C2+ Topic:Describing Qualities

US /əbˈsɛʃənəl/ UK /əbˈsɛʃənəl/ See IPA manual

Meanings

1

adj
of or marked by an obsession; preoccupied to an unhealthy degree

His obsessional tidiness drove his flatmates to distraction.

Thesaurus

Synonyms

1 adj · of or marked by an... obsessive compulsivefixatedpreoccupied consuming

Opposites

indifferent detached casual

Word family

Derived forms obsessionally

Related forms obsess obsession obsessive

Etymology

From obsession (from Latin obsessio, from obsidere, 'to besiege, occupy') plus the suffix -al.

obsidere Latin sedere Latin

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

External links

# obsessional

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** /əbˈsɛʃənəl/
**IPA (UK):** /əbˈsɛʃənəl/

## Meanings
1. of or marked by an obsession; preoccupied to an unhealthy degree

## Examples
- His obsessional tidiness drove his flatmates to distraction.

## Synonyms
- obsessive
- compulsive
- fixated
- preoccupied
- consuming

## Antonyms
- indifferent
- detached
- casual

## Derived Forms
- obsessionally

## Related Forms
- obsess
- obsession
- obsessive

## Roots and Affixes
- Root: obsidere
- Root: sedere

## Etymology
From obsession (from Latin obsessio, from obsidere, 'to besiege, occupy') plus the suffix -al.

## AI Etymology
Obsessional comes from obsession (from Latin obsessio, from obsidere, 'to besiege, occupy') plus the suffix -al. The etymological trail includes Latin obsidere and Latin sedere. As an adjective, obsessional means of or marked by an obsession; preoccupied to an unhealthy degree. The same family is visible in derived forms such as obsessionally and related forms such as obsess, obsession, and obsessive.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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