We found 13 dictionaries that define the word cost-effectiveness:

General (10 matching dictionaries)

1. cost-effectiveness: Merriam-Webster
2. cost-effectiveness: Oxford Learner's Dictionaries
3. cost-effectiveness, cost-effectiveness: Collins English Dictionary
4. Cost-Effectiveness, Cost-effectiveness, cost-effectiveness: Wordnik
5. cost-effectiveness: Wiktionary
6. cost-effectiveness: Dictionary.com
7. Cost-effectiveness: Wikipedia, the Free Encyclopedia
8. cost-effectiveness: TheFreeDictionary.com

Business (1 matching dictionary)

9. MoneyGlossary.com (No longer online)

Medicine (1 matching dictionary)

10. cost-effectiveness: Medical dictionary

Tech (1 matching dictionary)

11. Cost-Effectiveness: Glossary of Air Pollution Terms

(Note: See cost-effective as well.)

Definitions from Wiktionary (cost-effectiveness) ▸ noun:  The property of being cost-effective. Similar: effectiveness, economicalness, efficientness, effectualness, effectuousness, efficaciousness, efficiency, uneconomicalness, efficacity, costlessness, more... Types: thrifty, frugal, stingy, miserly, parsimonious, more... Phrases: Cost-effectiveness analysis, Incremental cost-effectiveness ratio, more... ▸ Words similar to cost-effectiveness ▸ Usage examples for cost-effectiveness ▸ Idioms related to cost-effectiveness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cost-effectiveness ▸ Words that often appear near cost-effectiveness ▸ Rhymes of cost-effectiveness ▸ Invented words related to cost-effectiveness