Laggards

n. slow person; retarded person; person who falls behind; person who moves slowly

Noun
1. someone who takes more time than necessary; someone who lags behind
(synonym) dawdler, drone, lagger, trailer
(hypernym) idler, loafer, do-nothing, layabout, bum
(hyponym) loiterer, lingerer
(derivation) lag, dawdle, fall back, fall behind
Adjective
1. inclined to waste time and lag behind
(synonym) dilatory
(similar) unpunctual
2. wasting time
(synonym) dilatory, poky, pokey
(similar) slow

those in a community who are slowest to adopt a new product. See Diffusion of Innovation; Early Adopters; Early Majority; Innovators; Late Majority.