singler adjective 1noun 1forms 1 adjective1 •(no longer used) Singular.Nomore then it lyeth in the libertye of the liuelye tre wel planted to ceasse frome bringing forth hir frutes in hir time / except God altereth this his natural ordinaunce bi some singler gifte. — 1531 noun1 •One who singles (thins out) plants.She’s gone singling, they can’t get singlers enew. — 1886 formssinglers