Spartan
abstentious
abstinent
ascetic
ascetical
austere
temperate
Apostolic
Encratic
Lenten
Pythagorean
Rechabite
Shaker
Stoic
abstaining
celibate
chaste
continent
dwarfed
dwarfish
exiguous
frugal
fruitarian
impoverished
jejune
lean
limited
meager
mean
miserly
narrow
nephalistic
niggardly
on the wagon
paltry
parsimonious
poor
puny
scant
scanty
scrawny
scrimp
scrimpy
self-abnegating
self-denying
sexually abstinent
skimp
skimpy
economical
good-tempered
high-minded
law-abiding
low-profile
manurial
peace-loving
penitential
punctual
retentive
reticent
sedate
self-controlled
self-dependent
self-reliant
self-restrained
steady-going
studious
thrifty
uninformative
well-behaved
well-educated
well-informed
drinking
gluttonous
self-gratifying