The ornamental design for a loungechair, as shown and described.
FIG. 1 is a front perspective view of the lounge chair with the extendible seat portion in retracted position and the folding back portion in folded-up position showing my new design;
FIG. 2 is a front perspective view of the lounge chair of FIG. 1 with the extendible seat portion in extended position and the folding back portion in folded-up position;
FIG. 3 is a side perspective view of the lounge chair of FIG. 2 with the folding back portion in folded-down position;
FIG. 4 is a rear perspective view of the lounge chair of FIG. 2;
FIG. 5 is a left elevational view of the lounge chair of FIG. 2, the right elevational view being a mirror image;
FIG. 6 is a top plan view of the lounge chair of FIG. 2; and,
FIG. 7 is a front elevational view of the lounge chair of FIG. 2.