THIN Copy link • THIN 1. adj., tenuis (the proper word, not thick; opposed to crassus): subtilis (fine, tender): tritus: attritus (worn thin): gracilis: exilis: macer (lean; opposed to obesus): rarus (not close together; opposed to densus): angustus (narrow, small in the opening; e.g., the neck of a vessel; opposed to latus): liquidus (watery): dilutus (mixed with liquids, made thin; e.g., wine, colors). Very thin, praetenuis; pertenuis: to grow or become thin, macrescere; rarescere liquescere. 2. v. tenuare: extenuare (PROP.): attenuare (PROP. and figuratively): emaciare: liquefacere: diluere: minuere: absumere: consumere (figuratively, to lessen, consume, etc). To thin trees, etc., collucare (thoroughly); interlucare (here and there); intervellere (to cut off branches here and there; ☞ not sublegere in this sense).