IPA: //ˌʌltrəˈdɪstənt//
KK: /ˈʌltrəˌdɪstənt/
Very far away or remote in distance.
The ultradistant star can only be seen with powerful telescopes.
Ultradistant → It is formed from "ultra-" (meaning beyond) and "distant" (from Latin "distantem", meaning far off or away). The word "ultradistant" refers to something that is beyond a certain distance or extremely far away.
Think of 'beyond' ('ultra-') and 'far away' ('distant') to remember that 'ultradistant' means something that is extremely far away.
No commonly confused words.