costly

Hard on wallets

Costly means expensive or requiring significant resources: a costly renovation, a costly mistake.

The word emphasizes the burden of the expense rather than just the price—something costly depletes what you have.

Costly errors aren't just expensive in money; they may cost time, reputation, or opportunity.

The delay proved costly to the campaign.

expensive

pricey

Costing a lot

high-priced · dear · spendy · hefty · sky-high · unaffordable · extortionate · astronomical · outrageous · prohibitive

burden

taxing

Requiring great effort

debilitating · punishing · crippling · ruinous · devastating · damaging · detrimental · harmful · injurious · crushing

luxury

extravagant

Exceeding sensible bounds

plush · decadent · palatial · gilded · ornate · indulgent · splendid · magnificent · grandiose · upscale

sacrifice

trade-off

Exchange requiring sacrifice

forfeit · concession · surrender · renunciation · loss · relinquishment · painful · difficult · hard-won

mistake

blunder

Foolish, costly mistake

oversight · failure · setback · fiasco · debacle · disaster · catastrophe · consequence · regret · lesson

Categories
Opposites
price/expense

costlycheap

Low in price

inexpensive · affordable · low-cost · budget · economical

consequence/sacrifice

costlybeneficial

Producing good results

helpful · harmless · painless · inconsequential · trivial

value proposition

costlyworthwhile

Meriting effort or attention

valuable · cost-effective · economical · efficient · reasonable

Phrases
Family

cost, accost, costlier, costliness, costliest, costive

Familiarity
Top 20,000
Profile
Known to kids · Used worldwide · Timeless · Negative · Everyday, not technical · Rated G