Standard Lemma guide

costly

adj · noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈkɒst.li/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: K AA1 S T L IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: K AO1 S T L IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of high cost; expensive.

Definition source: English Wiktionary via Wiktextract

Examples

  • a costly activity
  • a costly error

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Short for costly colours.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, uncountable

Topics: card-games, games

Examples

  • Costly is a simpler game than cribbage.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

having a high price

Definition source: Princeton WordNet 3.0

Examples

  • costly jewelry
  • high-priced merchandise
  • much too dear for my pocketbook
  • a pricey restaurant

Meaning relationships

Synonyms: dear(p), high-priced, pricey, pricy

Antonyms: none provided

4

adjective satellite

Meaning 4

entailing great loss or sacrifice

Definition source: Princeton WordNet 3.0

Examples

  • a dearly-won victory

Meaning relationships

Synonyms: dearly-won

Antonyms: none provided

History

Etymology

From Middle English costly, costely, costeley, equivalent to cost + -ly.

Across languages

Translations

41 source translations are retained for this English entry.

  • Bulgarian: скъп (skǎp) — expensive
  • Bulgarian: це́нен (cénen) — expensive
  • Catalan: costós — expensive
  • Dutch: prijzig — expensive
  • Dutch: duur — expensive
  • Dutch: kostbaar — expensive
  • Esperanto: multekosta — expensive
  • Esperanto: altepreza — expensive
  • French: coûteux — expensive
  • French: lourd — expensive
  • German: teuer — expensive
  • German: kostspielig — expensive
  • Gothic: 𐌲𐌰𐌻𐌰𐌿𐍆𐍃 (galaufs) — expensive
  • Ancient Greek: πολυτελής (polutelḗs) — expensive
  • Icelandic: kostnaðarsamur — expensive
  • Irish: luachmhar — expensive
  • Irish: costasach — expensive
  • Irish: costasúil — expensive
  • Italian: costoso — expensive
  • Italian: caro — expensive
  • Italian: dispendioso — expensive
  • Latin: pretiōsus — expensive
  • Latin: impensus — expensive
  • Latvian: dārgs — expensive
  • Norman: couôteux — expensive
  • Occitan: costós — expensive
  • Polish: kosztowny — expensive
  • Portuguese: custoso — expensive
  • Portuguese: caro — expensive
  • Romanian: costisitor — expensive
  • Romanian: scump — expensive
  • Russian: дорогосто́ящий (dorogostójaščij) — expensive
  • Russian: дорого́й (dorogój) — expensive
  • Russian: це́нный (cénnyj) — expensive
  • Sanskrit: बहुमूल्य (bahumūlya) — expensive
  • Sanskrit: महार्घ (mahārgha) — expensive
  • Scottish Gaelic: cosgail — expensive
  • Spanish: costoso — expensive
  • Spanish: caro — expensive
  • Swedish: dyr — expensive
  • Swedish: kostsam — expensive