sit up

English Thesaurus

1. not go to bed (verb.body)

hypernym	:	wake,
definition	:	be awake, be alert, be there (verb.body)

2. change to an upright sitting position (verb.motion)

hypernym	:	change posture,
definition	:	undergo a change in bodily posture (verb.motion)

derivation	:	sit-up,
definition	:	a stomach exercise in which a person sits up from a supine position without using the arms for leverage (noun.act)

derivation	:	sit-up,
definition	:	a stomach exercise in which a person sits up from a supine position without using the arms for leverage (noun.act)