mostimportantthing
nounUK /ˌməʊst ɪmˈpɔːtənt θɪŋ/
US /ˌmoʊst ɪmˈpɔːrtənt θɪŋ/
The one thing that matters more than anything else.
For the baby, the mostimportantthing is a warm hug from mom.
RELATED WORDS
OTHER MEANINGS
2. The thing you care about the very most.
Her mostimportantthing is keeping her little brother safe.
3. The thing that must be done first before anything else.
The mostimportantthing right now is to finish your homework.
4. The best or biggest part of something.
The mostimportantthing about the trip was seeing the ocean.