unitasking
unitasker
solo
in small stages
stepwise
piecemeal
step-by-step
bit-by-bit
monotask
unipersonal
monorhythmic
monothecal
multishirk
unitemporal
intraperson
ableness
in one
every time one farts
man jack
single-mindedly
single-handed
unidentate
unicuspidal
unicuspid
monocusp
monocuspid
in one go
unicalcarate
monotasking
dimension
uniconceptual
pass
eat an elephant one bite at a time
singlemindedly
monostylous
one-man
mono-
straightway
intranight
uni-
feed two birds with one scone
stroke
monospondylous
monotemporal
individuum
unimanual
DIYer
monoscenically
one
put by