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📕 rednote ID(小红书号)：3881567312

Blue Meaning: Definition, Examples, and Usage (2 meaning)

Meaning 1：sky blue color (blue)

blue 🔊

/bluː/

adj.

having the color of the sky or the sea on a clear day.

Blue sky and ocean illustrating the color blue

sky blue color 🔊

➕

/skaɪ bluː ˈkʌlər/

adj.

Blue is a primary color that appears in the clear sky and deep ocean.

📁 Category：Natural Geography 🔖 Level：beginner

📘 Details & Usage

📖 Root Explanation

From Old English 'blǣwen', related to Old High German 'blāo', both meaning the color.

💡 Mnemonic

Think of the blue sky for the color; for sadness, imagine 'B.L.U.E.' as 'Being Lonely and Unhappy'.

📖 Example

Her new dress is a bright shade of blue. 🔊 Her new dress is a bright shade of blue.

🔗 Collocations

blue sky – a clear sky that is blue in color

deep blue sea – the ocean viewed with a dark blue color

blue jeans – denim trousers typically dyed blue

🔄 Synonyms

azure (adj.) – a bright blue color like the sky

navy (adj.) – a dark blue color

cyan (adj.) – a greenish-blue color

🚫 Antonyms

red (adj.) – a primary color opposite to blue on the color wheel

🌱 Derivatives

bluish (adj.) – somewhat blue in color

blueness (n.) – the quality of being blue

📖 Cultural Story

Old English 'blǣwen' gave the color name. The sad meaning 'feeling blue' may come from 14th-century French 'bleu' referring to melancholy, or from nautical blue flag signaling a captain's death.

Meaning 2：feeling sad (blue)

blue 🔊

/bluː/

adj.

feeling sad or unhappy.

Sad person sitting by window showing blue mood

feeling sad 🔊

➕

/ˈfiːlɪŋ sæd/

adj.

Blue describes a mood of sadness, melancholy, or low spirits.

📁 Category：Physical & Mental Health 🔖 Level：beginner

📘 Details & Usage

📖 Example

After hearing the news, he felt quite blue for the rest of the day. 🔊 After hearing the news, he felt quite blue for the rest of the day.

🔗 Collocations

feel blue – to be sad or depressed

blue mood – a state of unhappiness

blue Monday – a Monday when one feels low, often after a weekend

🔄 Synonyms

sad (adj.) – feeling sorrow or unhappiness

depressed (adj.) – in a state of low spirits, often more severe

downcast (adj.) – looking or feeling sad and discouraged

🚫 Antonyms

happy (adj.) – feeling pleasure or joy

cheerful (adj.) – noticeably happy and positive

joyful (adj.) – full of happiness and delight

🌱 Derivatives

blueness (n.) – the state of being sad