Letters that make lumpish
s, l, p, h, m, i, u are letters that make 'lumpish'
clumpish, plumpish are words created by adding a letter to 'lumpish'
1 possible definitions for 'lumpish'
Under this definition, lumpish is an adjective and has the following properties:
lumpen, unthinking have the same meaning as 'lumpish'
stupid is similar to lumpish.