concentrative

/ˈkɑnsənˌtreɪtɪv/
adjective
  1. Involving or requiring the ability to focus one's attention or mental effort on a single thing.
    • She found the concentrative nature of meditation very calming.
    • His concentrative study habits helped him earn top grades.
    • The exam required a highly concentrative effort for three hours straight.
Antonyms
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