DICTIONARY ENTRY
4 SYLLABLES
effectiveness
/ɪ'fɛktɪvnʌs/
Effectiveness has 4 syllables: ef · fec · tive · ness.
ef
01
fec
02
tive
03
ness
04
noun. Power to be effective; the quality of being able to bring about an effect.
noun. Capacity to produce strong physiological or chemical effects.
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