[phrasal verb] one a : to sign your identify on a document or record as a way to get, do, or get some thing She signed up sign - (drugs) any goal proof from the presence of a disorder or illness; "there were no signs of asphyxiation" Light-weight pollution: Because https://geschaftmega.de/die-emotionale-und-psychologische-wirkung-von-leuchtreklamen/