IPA: /ˌɛkstrəˈviːɪkjʊlər/
KK: /ˌɛkstrəˈviːɪkjələr/
Relating to activities or events that occur outside of a vehicle, particularly in space.
The astronauts conducted extravehicular activities to repair the satellite.
Extravehicular → It is formed from "extra-" (meaning outside) and "vehicular" (from Latin "vehiculum", meaning vehicle). The word describes activities that occur outside of a vehicle, particularly in the context of space travel.
Think of 'extra' meaning outside, and 'vehicular' relating to vehicles. This helps you remember that 'extravehicular' refers to activities that take place outside of a vehicle.
No commonly confused words.