ascetic (n.)
- abbot
- abstainer
- abstinent
- anchorite
- astringent
- bald
- banian
- beadsman
- brother
- celibate
- cenobite
- cleansing
- common
- commonplace
- continent
- dervish
- dry
- eremite
- fakir
- flagellant
- frank
- friar
- gymnosophist
- hermit
- homebody
- homespun
- invalid
- isolationist
- lean
- limited
- loner
- marabout
- mean
- mendicant
- monastic
- monk
- narrow
- natural
- neat
- open
- outcast
- palmer
- pariah
- pilgrim
- plain
- poor
- prior
- prosy
- pure
- purgative
- puritan
- recluse
- religious
- rustic
- sannyasi
- scant
- scanty
- shut-in
- simple
- slight
- slim
- small
- solitaire
- solitary
- solitudinarian
- spare
- starvation
- stay-at-home
- stern
- stylite
- subsistence
- teetotaler
- teetotalist
- thin
- vegetarian
- yogi
ascetic (adj.)
- abstemious
- abstinent
- anchoritic
- apologetic
- astringent
- austere
- bald
- banian
- bare
- candid
- celibate
- chaste
- cleansing
- common
- commonplace
- continent
- conventual
- direct
- disciplined
- dry
- dull
- dwarfish
- eremitic
- exiguous
- expiatory
- forbearing
- frank
- frugal
- homely
- homespun
- impoverished
- invalid
- isolationist
- jejune
- lean
- limited
- lustrative
- matter-of-fact
- meager
- mean
- mendicant
- miserly
- monastic
- mortified
- narrow
- natural
- neat
- niggardly
- open
- outcast
- paltry
- parsimonious
- penitential
- plain
- poor
- prior
- propitiatory
- prosaic
- prosy
- puny
- pure
- purgative
- purgatorial
- purifying
- puritanical
- recluse
- redeeming
- redemptive
- religious
- reparative
- reparatory
- repentant
- restrained
- rustic
- scant
- scanty
- schooled
- scrawny
- scrimpy
- self-abnegating
- self-denying
- self-forgetful
- selfless
- severe
- shut-in
- simple
- skimpy
- slender
- slight
- slim
- small
- sober
- solitary
- spare
- sparing
- stark
- stay-at-home
- stern
- stingy
- stinted
- straightforward
- stunted
- teetotal
- thin
- trained
- unadorned
- unaffected
- unimaginative
- unvarnished
- watered
- watery