roborati-f, -ve, adj., (med.) (l.u.) roborant.
robre, n.m., rubber (whist).
robuste, adj., robust, hardy, strong, vigorous, sturdy.
robustement, adv., robustly, hardily, lustily, stoutly.
robustesse, n.f., robustness, strength, vigor.
roc, n.m., rock (isolated mass of stony matter); ☉rook, castle (at chess). — vif; solid rock.
*rocaille, n.f., rock-work, grotto work.
*rocailleur, n.m., grotto-maker, rock-work-maker.
*rocailleu-x, -se, adj., pebbly, stony, flinty; rugged, rough. Style —; harsh style.
rocambeau, n.m., (nav.) iron ring (holding the sails round the mast).