ploy /plɔɪ/noun 3verb 1forms 3 noun3 •A tactic, strategy, or scheme.The free T-shirt is really a ploy to get you inside to see their sales pitch. •(dialect, UK) Sport; frolic. •(no longer used) Employment. verb1 •To form a column from a line of troops on some designated subdivision.Troops drawn up so as to show an extended front, with slight depth, are said to be deployed; when the depth is considerable and the front comparatively small, they are said to be in ployed formation. — 1881 formsployed · ploying · ploys