keep up Synonyms

keep abreast preserve prolong maintain follow sustain conserve press on carry on memorialise run on keep on keep going mothball carry-forward hold on follow through hang on care for stand up press on with keep in persevere with keep on with stay with persist with keep pace with not stop keep at stick with spin out shore up prop up drag on live out live on hold up keep pace persist in carry through stay on perdure linger lengthen last keep hold extend eternize eternalize