double-hat
wear two hats
double-handed
triple-hat
double
multirole
bipositional
opposite
playwork
deedwork
doubly
better
double-handedness
hero
exemplar
role conflict
feed two birds with one scone
supplementarily
take
bistrategic
cofacilitate
as
double-barreled
double-barrelled
twofoldly
play first fiddle
distinctly
act
tandemly
intervolve
in two
crucially
bipartite
at once
twosome
pendant
in two ways
disjunctive
coadunative
codominate
substitute
alternative
roled
alternate
mixed
play a double game
ambidirectional
six of one, half a dozen of the other
duopolistically
occupy
valedictorily
name
bifronted
coordinating
serve
take part
bothridial
coordinative
function
biune
half
half and half
duopolistic
dualistically
connective
bilateral
consign
apply
cover
binomial
squeeze
bilaterally
bipartitely
cospecialize
twinstick
speak
bi-
superessential
two-way
at a time
bidual
elaborative
carry the mantle
at one time
duodenally
interventive
central
second-order
it's a tough job, but someone's got to do it
binary
cardinal
up
biclausal
bivious
supply