Definition & Key Concepts
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OSASCOMP Rule
Opinion-Size-Age-Shape-Color-Origin-Material-Purpose
Definition:
Adjective order is a fixed sequence that English speakers follow when using multiple adjectives before a noun. Breaking this order makes sentences sound unnatural.
Purpose:
To create natural-sounding English sentences by following the conventional order of descriptive elements.
OSASCOMP Acronym
O
Opinion
Opinion
S
Size
Size
A
Age
Age
S
Shape
Shape
C
Color
Color
O
Origin
Origin
M
Material
Material
P
Purpose
Purpose
The OSASCOMP Categories
O - Opinion: Beautiful, terrible, expensive, lovely
S - Size: Big, small, tall, tiny, enormous
A - Age: Old, young, ancient, new, modern
S - Shape: Round, square, flat, rectangular
C - Color: Red, blue, black, golden, multicolored
O - Origin: French, American, Chinese, medieval
M - Material: Wooden, metal, silk, plastic
P - Purpose: Cooking, sleeping, sports, wedding
Examples Following OSASCOMP
Opinion-Size-Age-Shape-Color-Origin-Material-Purpose-Noun
Complete example:
"A lovely (opinion) small (size) antique (age) round (shape) oak (material) kitchen (purpose) table"
More examples:
"A wonderful big new red American leather motorcycle"
"Horrible tiny old square blue Japanese plastic toy"
"Horrible tiny old square blue Japanese plastic toy"
Mixed examples:
"Beautiful large modern rectangular black Italian wooden coffee table"
"Expensive small ancient round golden Egyptian silver wedding ring"
"Expensive small ancient round golden Egyptian silver wedding ring"
Common Exceptions & Special Cases
Not all categories need to be present
Same category adjectives can be grouped
Numbers come before all other adjectives
Participles as adjectives follow special rules
Compound adjectives are treated as single units
Some adjectives are always predicative
Exception Examples
Partial sequences:
"A beautiful red silk dress" (opinion-color-material)
"Two large white American cars" (number-size-color-origin)
"Two large white American cars" (number-size-color-origin)
Same category grouping:
"Beautiful and expensive paintings" (two opinions)
"A small and cozy French cottage" (two size-related adjectives)
"A small and cozy French cottage" (two size-related adjectives)
Compound adjectives:
"A nice state-of-the-art German car" (opinion-compound-origin)
Memory Techniques
OSASCOMP: Remember the acronym (Oh Say A Simple Color Or Make Pancakes)
Logical flow: From subjective opinion to objective characteristics
Physical progression: From big picture to specific details
Practice method
Common Mistakes to Avoid
Wrong order:
❌ "A red beautiful dress" → ✅ "A beautiful red dress"
❌ "A old big house" → ✅ "A big old house"
❌ "A old big house" → ✅ "A big old house"
Ignoring the sequence:
❌ "A wooden red round table" → ✅ "A round red wooden table"
❌ "A French leather black bag" → ✅ "A black leather French bag"
❌ "A French leather black bag" → ✅ "A black leather French bag"
Mixing categories:
❌ "A modern big house" → ✅ "A big modern house" (age-size)
❌ "A wooden red chair" → ✅ "A red wooden chair" (material-color)
❌ "A wooden red chair" → ✅ "A red wooden chair" (material-color)
Number placement:
❌ "Red three roses" → ✅ "Three red roses" (numbers first)
