/ ˈpɜːpəsfl; NAmE ˈpɜːrp-/ adjective
having a useful purpose; acting with a clear aim and with determination :
Purposeful work is an important part of the regime for young offenders.
She looked purposeful and determined.
► pur·pose·ful·ly / -fəli; NAmE / adverb
► pur·pose·ful·ness noun [ U ]