Crossword clues for groups groups Rock bands, e.g Trios, quartets, etc Facebook users' multitude Clusters or bunches A through H, for the World Cup Assemblages Clutches Military units Puts into categories Wiktionary groups n. (plural of group English) vb. (en-third-person singular of: group) Related phrases: focus groups head groups user groups abelian groups age groups functional groups girl groups mapping class groups point groups pop groups ratepayers groups rock groups social groups symmetric groups affine groups blood groups cell groups derived groups ethnic groups front groups fundamental groups music groups splinter groups topological groups galaxy groups monophyletic groups steering groups support groups pressure groups