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firm up

VERB
stabilize
Synonyms
STRONGEST
balance fix maintain preserve secure steady sustain
STRONG
ballast bolt brace buttress counterbalance counterpoise equalize fasten firm freeze ossify poise prop set settle stiffen support uphold
WEAK
stabilitate
Antonyms
STRONGEST
destroy forget hurt ignore neglect
STRONG
drop fall let down let go liquefy loosen melt open release soften unfasten unlock weaken
WEAK
change shake vary wobble

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Bolton and his brother have been propping the firm up with their own money, but he said they "just can't do it anymore".

From BBC • Jan. 30, 2026

You’d want to call a lawyer right away and firm up a plan for what she wants or to make you her agent for decision-making.

From MarketWatch • Jan. 26, 2026

Debt reduction needs to stay on track, wireless pricing must firm up, and asset sales could help simplify the narrative.

From The Wall Street Journal • Jan. 2, 2026

Even in a tape this brutal, a handful of technology stocks are displaying impressive resilience as they firm up near support levels.

From Barron's • Nov. 21, 2025

As soon as he took the pan off the heat, the polenta started to firm up.

From "The Season of Styx Malone" by Kekla Magoon