spaced spa·ced US/ˈspeɪst/ uncommon adjective 1. spaced apart Synonymsseparated Similardistributed 2. arranged with spaces between; often used as a combining form “widely spaced eyes” Antonymsunspaced Similardouble-spacedleadedsingle-spaced Related words Word family spaced-out WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.