Not Meaning and Usage in English

Meaning 1：not (not)

not 🔊

/nɒt/

adv.

Used to make a sentence or phrase mean the opposite; it shows a negative.

Person declining cake with hand gesture showing not concept

not 🔊

➕

/nɒt/

adv.

Used to form the negative of verbs, adjectives, adverbs, and nouns; indicates absence, refusal, or prohibition.

📁 Category：Language Evolution 🔖 Level：beginner

📘 Details & Usage

📖 Root Explanation

From Old English 'naht' (ne 'not' + wiht 'creature, thing'), literally 'no thing'.

💡 Mnemonic

Not is a one-word gatekeeper: add it before a verb and the meaning flips to its opposite.

📖 Example

I'm not tired at all; let's watch one more episode of our show. 🔊 I'm not tired at all; let's watch one more episode of our show.

🔗 Collocations

not only – used to emphasize that something is true in addition to something else

not at all – used to politely accept thanks or to emphasize a negative

not yet – used to say that something has not happened up to the present time

🔄 Synonyms

never (adv.) – at no time in the past or future; not ever

nay (adv.) – no (archaic or formal, used in voting or poetry)

no (adv.) – used to give a negative response or to express refusal

🚫 Antonyms

yes (adv.) – used to give an affirmative response

always (adv.) – at all times; on every occasion

definitely (adv.) – without doubt; certainly

🌱 Derivatives

nothing (pron.) – not anything; no single thing

nobody (pron.) – no person; not anyone

none (pron.) – not one; not any

📖 Cultural Story

The word 'not' evolved from Old English 'naht', a compound of 'ne' (not) and 'wiht' (thing), originally meaning 'no thing'. It later contracted to 'not' and became the standard negator in English, replacing older forms like 'ne'.