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costlier

ADJECTIVE

expensive

Synonyms

STRONGEST

pricey valuable

WEAK

an arm and leg cher dear excessive executive exorbitant extortionate extravagant fancy high high-priced highly priced inordinate precious premium steep stiff top

Antonyms

WEAK

aiding cheap helpful inexpensive not valuable poor reasonable

ADJECTIVE

priceless

Synonyms

STRONGEST

valuable

WEAK

gorgeous inestimable invaluable lavish luxurious opulent precious rich splendid sumptuous

Antonyms

WEAK

aiding cheap helpful inexpensive not valuable poor reasonable

ADJECTIVE

harmful, damaging

Synonyms

STRONGEST

catastrophic disastrous ruinous

WEAK

deleterious loss-making sacrificial

Antonyms

WEAK

aiding cheap helpful inexpensive not valuable poor reasonable

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.

Higher interest rates make it costlier to borrow money, which acts as a brake on spending, employment, and economic growth.

From Slate • Jun. 17, 2026

The BOJ faces a tricky trade-off: Raising interest rates could help lower inflation but higher rates also make borrowing costlier, increasing expenses for the government and businesses.

From BBC • Jun. 16, 2026

If they prevail, expect costlier new homes and thousands of lost jobs in the U.S. quartz fabricating industry.

From The Wall Street Journal • May 31, 2026

Summer gas is refined in a way that reduces emissions and smog, but it is also costlier to make.

From MarketWatch • Apr. 29, 2026

But they bowed to Sproul’s judgment that losing Lawrence would be even costlier, and voted to cover all the annual operating and maintenance costs that Lawrence had budgeted for the Rad Lab.

From "Big Science" by Michael Hiltzik