beef up

: the flesh of an adult domestic bovine (such as a steer or cow) used as food

: an ox, cow, or bull in a full-grown or nearly full-grown state

: a dressed carcass of a beef animal

: to increase or add substance, strength, or power to

: complain

: in or into a higher position or level

: from beneath the ground or water to the surface

: from below the horizon

: risen above the horizon

: standing

: being out of bed

used as a function word to indicate motion to or toward or situation at a higher point of

: up into or in the

: in a direction regarded as being toward or near the upper end or part of

: one in a high or advantageous position

: an upward slope

: a period or state of prosperity or success

: to rise from a lying or sitting position

: to move upward : ascend

used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated