futile Antonyms

effective effectual fruitful practicable populated useful tiptop thankful successful substantial smart potent sleeved significant profitable productive preeminent worth the effort utile highly successful financially manageable as sharp as a needle worth it prizewinning supportive akamai meaningful applaudable wow helpfulness worthy worthwhile wonderful viable valuable peopled pearl nugget compassable brilliant beneficial awesome attractive attainable amazing advantageous advanced admirable achievable ace