66 entries under effective topic. ×

45
helpful(noun, adjective, good, close, help)
39
beneficial(adjective, good, close, help, quality)
28
profitable(adjective, good, close, help, quality)
27
serviceable(noun, adjective, good, close, quality)
22
handy(noun, adjective, good, close, tough)
21
utilitarian(adjective, reasonable, sensible, property, valuable)
19
convenient(noun, adjective, good, close, secure)
18
productive(adjective, direct, tough, sensible, energetic)
18
valuable(adjective, tough, sensible, energetic, important)
17
usable(adjective, good, open, valuable, real)
13
effectual(adjective, quality, tough, beneficial)
13
efficacious(adjective, strong, tough, powerful)
10
conducive(adjective, tough, clean, pure, fresh)
10
efficient(adjective, direct, active, real, flawless)
8
constructive(adjective, good, reasonable, sensible, energetic)
8
important(adjective, excellent, friendly, sensible, sympathetic)
5
essential(adjective, friendly, sympathetic, valuable)
4
operative(adjective, direct, active, valuable, real)
4
apt(adjective, good, tough, fit, appropriate)
4
powerful(adjective, strong, tough, adept)
10 years ago|30k views|share |citing 
APASmart Define. (2016). useful thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/useful/thesaurus/synonyms
ChicagoSmart Define. 2016. "useful thesaurus" https://smartdefine.org/useful/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, useful thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/useful/thesaurus/synonyms>.
MLASmart Define. "useful thesaurus" 5 January 2016. Web. 22 September 2026. <https://smartdefine.org/useful/thesaurus/synonyms>