hollow
Cross references: 1. vain hol.low \'ha:l-(.)o-, -*(-w)\ \'ha:l-o--le-, -*-le-\ aj [ME holw, holh, fr. holh hole, den, fr. OE holh hole, h]ollow - more at HOLE 1a: CONCAVE, SUNKEN 1b: marked by sunken areas 2a: having a cavity within {~ tree} 2b: devoid of value or significance {~ victory} 3: reverberating like a sound made in or by beating on a large empty enclo sure : MUFFLED 4: FALSE, DECEITFUL {~ promises} - hollow vb