must be is not in our dictionary (yet). Here's what it could mean:
Confidence: high
Results generated using artificial intelligence.
verb phrase
- To indicate a strong likelihood or logical conclusion about a situation.
- To state a rule, command, or requirement that is mandatory.
Example Sentences
Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Challenges must be requested immediately and can only come from the batter, pitcher or catcher with no assistance from the dugout.
From The Wall Street Journal ● Jul. 20, 2026
There has been a reluctance for England to try this kind of tactic, as though there must be a striker in the team.
From BBC ● Jul. 18, 2026
Thesaurus
Possible Synonyms
- it's a given that
- no doubt is
- is required to be
- it's a safe bet that
- is surely
