(comparative more Philadelphian, superlative most Philadelphian)
- Of or relating to Philadelphia.
- Of or relating to the ancient king Ptolemy II Philadelphus.
Variant of Philadelphia
- city & port in SE Pa., on the Delaware River: pop. 1,518,000
- ancient city in Lydia, W Asia Minor
Origin of PhiladelphiaClassical Greek philadelphia, brotherly love ; from philos, loving + adelphos, brother: see monadelphous