effective

/ɪfˈɛktɪv/ · 3 syllables

Meaning

adjective

producing or capable of producing an intended result or having a striking effect-LewisMumford
“an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation”
able to accomplish a purpose; functioning effectively-G.B.Shaw
“people who will do nothing unless they get something out of it for themselves are often highly effective persons...”
works well as a means or remedy
“an effective reprimand”
exerting force or influence
“the law is effective immediately”
existing in fact; not theoretical; real
“a decline in the effective demand”
ready for service
“the fort was held by about 100 effective soldiers”

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