Synonym word of firms up:

balance, ballast,bolt,brace,buttress, counterbalance, counterpoise, equalize,fasten,firm, firm up,fix,freeze,maintain, ossify,poise,preserve, prop,secure,set,settle, stabilitate,steady, stiffen,support,sustain,uphold


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Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular