quantity
Say it: KWAHN-tuh-tee
📖 Seen in the wild
✏️ quantity in a sentence
🔁 Synonyms & antonyms
amount · often preferred for things that cannot be counted individually, like 'an amount of water'.
number · used specifically for things that can be counted, like 'a number of people'.
volume · refers to the amount of three-dimensional space something occupies.
measure · implies a specific, standardized unit or a careful assessment.
Opposites: quality, lack, scarcity, dearth
🌱 Where it comes from
The word 'quantity' arrived in English in the 14th century from the Old French 'quantité'. This French term came directly from the Latin 'quantitas', meaning 'amount' or 'magnitude', which itself was derived from 'quantus', meaning 'how much'. Its initial use in English was often in philosophy and mathematics before it gained its common, everyday meaning.
🧩 How it's used
Common patterns:
'Quantity' is a versatile word for both countable and uncountable things, but it can sound more formal or technical than its common synonyms. For everyday use, 'amount' is standard for uncountable nouns (an amount of sand) and 'number' for countable ones (a number of chairs). The most common mistake is confusing it with 'quality'; remember that quantity is about 'how much' and quality is about 'how good'.
Word family: quantify, quantitative, quantifiable, quantitation
💬 Quick answers
What does quantity mean?
Quantity refers to the amount or number of something, especially an amount that can be measured or counted.
What is the difference between quantity and quality?
Quantity is about how much of something there is (the amount), while quality is about how good it is (the standard). The phrase 'quality over quantity' highlights this common distinction.
Is 'quantity' used for countable or uncountable things?
It can be used for both. You can have a quantity of books (countable) or a quantity of water (uncountable), making it a versatile but slightly more formal alternative to 'number' or 'amount'.
What is an 'unknown quantity'?
An 'unknown quantity' is a person or thing whose influence or effect on a situation is not yet known. It's an idiom used to describe an unpredictable factor.
Want "quantity" to actually stick?
Save it to your own vault, let AI explain it, practice till it's yours.
Start for free →