sise UK/saɪz/ uncommon obsolete noun 1. the cardinal number that is the sum of five and one Synonymssix6VIsixerCaptain Hickshalf a dozensextetsestetsextuplethexad Related words Broader terms digit WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved.
