The term 'filled up' can be described by the crossword solutions of gassed (6 letters), SATED (5 letters), LADEN (5 letters), ATE (3 letters) and fuelled (7 letters). Gassed means to fill with gas, usually referring to a vehicle. SATED means to be completely satisfied or filled with something, usually referring to food or drink. LADEN means to be heavily loaded or filled with something, usually referring to a vehicle or container. ATE means to consume food or drink, usually referring to a person. Finally, fuelled means to fill with fuel, usually referring to a vehicle. All of these words describe the term 'filled up' in different ways.