Meaning & use
I feel blue
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Meanings
phrasefixed phraseinformal
I feel sad, low, or a little depressed.
Grammar: Used as a complete statement about your own mood; change only the subject and tense, as in "she feels blue" or "he was feeling blue".
Patterns
- I feel blue
- feel blue about something
- feel a bit blue
I feel blue today, so I'm staying home with a cup of tea.
She said she felt blue after her best friend moved away.
Don't feel blue about the rain; we can watch a film instead.
phrasefixed phraseinformal
I feel quiet and slightly unhappy for no clear reason.
Grammar: Often softened with words like "a little" or "kind of" before "blue".
Patterns
- I feel a little blue
- I feel kind of blue
I feel a little blue in winter when the days are short.
He feels blue on Sunday evenings before the workweek starts.
Common combinations
- feel a bit blue
- I feel a bit blue after saying goodbye to everyone.
- feel really blue
- She felt really blue for a few days after the exam results.
- feel blue about something
- There's no need to feel blue about one small mistake.
- start to feel blue
- I start to feel blue when I haven't seen my friends for weeks.
Synonyms and how they differ
- down
- "Down" is more common in everyday speech and a little less poetic than "blue".
- sad
- "Sad" is the plain, direct word; "blue" suggests a softer, lingering mood.
- low
- "Low" often describes a longer period of feeling unhappy, while "blue" can be brief.
Opposites
Word family
- blue adjective
- The base adjective meaning sad or low in mood.
- blueness noun
- The state of being blue, usually used for the color, not the mood.
Commonly confused: I feel blue or feel blue?
I feel blue vs feel blue
Not about the color blue; it describes a sad mood. If you mean color, say "the sky looks blue".
Practice
Which sentence uses "feel blue" correctly?
Choose one answer.
"Feel blue" means to feel sad, so calling a friend fits the mood. The other options treat "blue" as a color, which is a different meaning.
Make it your own
Write a sentence using “I feel blue”, then check it and compare it with the examples above.