acrophobia
Acrophobia (noun) means an intense fear of heights or of being high above the ground. Example: “His acrophobia meant he couldn't even walk near the edge of the roof terrace.”
How to use acrophobia
Learner’s notesIn plain EnglishA strong, often overwhelming fear of high places.
It is a clinical-sounding term, so everyday speech often prefers the plainer phrase 'fear of heights'.
Both the noun and adjective spellings keep the 'ph' from phobia, so avoid writing 'acrofobia'.
Trace the full origin ↓Fill the gap
Can you complete this real example?
His _____ meant he couldn't even walk near the edge of the roof terrace.
Etymology
Built from the prefix acro-, meaning high or at the top, joined to -phobia, meaning fear.