Noah Webster's Dictionary 1. (a.) Lacking, or not bearing, fruit; barren; destitute of offspring; as, a fruitless tree or shrub; a fruitless marriage. 2. (a.) Productive of no advantage or good effect; vain; idle; useless; unprofitable; as, a fruitless attempt; a fruitless controversy.

Multi-Version Concordance Fruitless (4 Occurrences) 1 Corinthians 15:58 Therefore, my dear brethren, be firm, unmovable, busily occupied at all times in the Lord's work, knowing that your toil is not fruitless in the Lord. (WEY) Ephesians 5:11 and have no fellowship with the unfruitful works of the darkness and rather even convict, (See NIV) 1 Timothy 1:6 from which things some, having missed the mark, have turned aside to vain talking; (See NAS) Jude 1:12 These are in your love-feasts craggy rocks; feasting together with you, without fear shepherding themselves; clouds without water, by winds carried about; trees autumnal, without fruit, twice dead, rooted up; (See RSV)