
Foremost
Rank and Expertise
Use 'foremost' to describe a person as a leading expert in a field.

He is the world's foremost authority on renewable energy.
Superlative Use
'Foremost' is like a superlative; it means top-ranked or number one.

The safety of our customers is our foremost concern.
Not Always First
Even as the 'most important', 'foremost' doesn't always mean first in sequence.

The foremost rule is respect, even if it's not the first one you learn.
Compare with
ChiefFirstLeadMainPrimaryPrincipalSupremeTop
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