# chaotic

/keɪˈɑtɪk/ (US) · /keɪˈɒtɪk/ (UK)

Source: https://englishreference.com/word/chaotic
Updated: 2026-06-20

## Senses

### 1. disorganized

adjective · CEFR B2

completely confused and without any order.

For teachers: characterised by a state of total confusion and lack of order; extremely disorganized.

- The morning at the airport was chaotic because many flights were cancelled at once.
- The transition to the new software was chaotic, as staff had not been properly trained and technical glitches occurred throughout the first week.

### 2. mathematics/science

adjective · CEFR C1 · Technical

describing a system where a tiny change at the start can cause a huge, unpredictable result later.

For teachers: relating to a system whose behaviour is highly sensitive to initial conditions, such that small perturbations lead to vastly different outcomes.

- Weather is a chaotic system, which is why it is hard to predict exactly.
- The researcher argued that the market's chaotic nature makes long-term financial forecasting fundamentally impossible regardless of computing power.

Usage: Often used to describe weather patterns or complex physical systems.

### 3. fantasy/gaming

adjective · CEFR C1 · Slang

describing a character who does not follow laws or rules and values personal freedom above all else.

For teachers: denoting a character alignment that rejects social order, laws, and tradition in favour of individual liberty or randomness.

- He decided to play a chaotic character who ignores the king's laws.
- The party struggled to stay together because one player insisted on making chaotic choices that constantly alerted the guards.

Usage: Commonly used in tabletop role-playing games like Dungeons & Dragons.

### 4. a chaotic person

noun · CEFR C2 · Informal · Slang

a person or character who acts in a disorganized or unpredictable way.

For teachers: a person or fictional entity characterised by a chaotic disposition or alignment.

- In the game, the chaotics usually cause the most trouble for the group.
- The narrative pits the forces of order against the chaotics, who seek to dismantle the ancient empire's rigid structures.

## Examples

- The morning commute was chaotic because of the heavy snow.
- The first day of the sale was chaotic, with hundreds of customers rushing through the doors at once.
- While the movement of individual particles appears chaotic, the system as a whole follows a predictable statistical pattern over long periods of time.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.