Firmest

adj

adj ·2 syllables ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    superlative form of firm: most firm form-of, superlative

Synonyms

All synonyms
companycorporationimmobilesecuresettledsolid

Example

More examples

"I believe that as imperfect as they are, the principles of open markets and accountable governance, of democracy and human rights and international law that we have forged remain the firmest foundation for human progress in this century."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.