United

The crossword question ‘United is ONE‘ implies that there is a word related to unity or togetherness that fits into the puzzle. The word ‘united‘ itself means joined together, combined, or working together towards a common goal. The word ‘one‘ can also signify unity, as it means being united as a single entity or having a single purpose. Therefore, the answer to this crossword question could include words such as ‘unity‘, ‘harmony‘, ‘together‘, ‘cohesive‘ or ‘solidarity‘, all of which relate to the idea of unity or oneness.