bolster up

1. 1.

   support and strengthen

   “bolster morale”

   Synonymsbolster

   Broaderreinforce

Questions about bolster up

What does bolster up mean?

bolster up means "support and strengthen".

What is another word for bolster up?

Close synonyms include bolster. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is bolster up a common word?

bolster up is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.