successful

success +‎ -ful.

• enPR: sək-sĕsʹfəl, IPA^(key): /səkˈsɛs.fl̩/

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successful (comparative more successful, superlative most successful)

1. Resulting in success; assuring, or promoting, success; accomplishing what was proposed; having the desired effect

   Synonyms: prosperous, fortunate, happy

   a successful use of medicine;  a successful experiment;  a successful enterprise

   • 2006, Edwin Black, chapter 1, in Internal Combustion‎:

     If successful, Edison and Ford—in 1914—would move society away from the ever more expensive and then universally known killing hazards of gasoline cars: […] .

   • 2013 June 21, Oliver Burkeman, “The tao of tech”, in The Guardian Weekly, volume 189, number 2, page 27:

     The dirty secret of the internet is that all this distraction and interruption is immensely profitable. Web companies like to boast about […], or offering services that let you […] "share the things you love with the world" and so on. But the real way to build a successful online business is to be better than your rivals at undermining people's control of their own attention.

• efficacious, effective, fruitful, rewarding, accomplished, profitable
• See also Thesaurus:prosperous
• (of requests): tithe (obs.)

• unsuccessful
• failed

• behind every successful man there stands a woman
• successfully
• successfulness

• success