SINCE 1828
sign on
verb
signed on;
signing on;
signs on
Definition of sign on
1
: to engage oneself by or as if by a signature
signed on to the new project
2
: to announce the start of broadcasting for the day
Other Words from sign on
sign-on
\ ˈsī-ˌnȯn 
, -ˌnän \
noun
, -ˌnän \
noun
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