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

Seedings for the seven playoff spots in each conference will also begin to firm up this weekend among the clubs who have secured post-season positions.

From Barron's • Dec. 26, 2025

He wanted to firm up the details of his plan to go down the well-traveled Paraguay River and the Tapajós River all the way to where it met the Amazon River.

From "Death on the River of Doubt" by Samantha Seiple

firm up

Example Sentences

Related Words