fall head over heels
Meaning
To suddenly become deeply in love, often very strongly and quickly.
Origin
Originally, “head over heels” described being literally upside down (heels over head), used from the 1700s. It later became a metaphor for being overwhelmed—especially by love—leading to “fall head over heels (in love).”
Notes
Suggests intense, often sudden love (or strong enthusiasm). Casual and slightly hyperbolic; can be sincere or mildly teasing/ironic depending on tone.
Examples
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I fell head over heels for her the moment we started talking.
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He fell head over heels in love during his semester abroad.
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She didn’t expect to fall head over heels for someone she met at work.
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They fell head over heels and moved in together after only three months.
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Don’t be surprised if you fall head over heels for that little town once you visit.
Grammar & Usage Notes
Common patterns: “fall head over heels in love (with + person)” or “be head over heels (in love).” “Head over heels” is fixed; don’t reorder words. Verb inflects: fell/has fallen.
Synonyms
- fall in love
- be head over heels (in love)
- be smitten
- be crazy about
- be enamored
Antonyms
- fall out of love
- be indifferent
- feel nothing for