Adjective stand up has 2 senses
  1. stand-up - requiring a standing position; "a stand-up bar"; "a stand-up comic"
    Antonym: unerect (indirect, via erect)
  2. stand-up, stiff - of a collar; standing up rather than folded down; "an uncomfortable standup collar"; "a stiff collar"
    Antonyms: flexible, flexile (indirect, via inflexible)
,Verb stand up has 7 senses
  1. arise, rise, uprise, get up, stand up - rise to one's feet; "The audience got up and applauded"
    --1 is one way to change posture
    Sample sentence:
    Sam and Sue stand up
  2. stand up - refuse to back down; remain solid under criticism or attack
    --2 is one way to
    resist, hold out, withstand, stand firm
    Sample sentences:
    Something is ----ing PP
    Somebody ----s PP
  3. stand, stand up, place upright - put into an upright position; "Can you stand the bookshelf up?"
    --3 is one way to put, set, place, pose, position, lay
    Sample sentences:
    Somebody ----s somebody PP
    Somebody ----s something PP
  4. stand, stand up - be standing; be upright; "We had to stand for the entire performance!"
    --4 is one way to rest
    Sample sentences:
    Something ----s
    Somebody ----s
    Something is ----ing PP
    Somebody ----s PP
  5. stand up, stick up - defend against attack or criticism; "He stood up for his friend"; "She stuck up for the teacher who was accused of harassing the student"
    --5 is one way to defend, support, fend for
    Sample sentence:
    Somebody ----s PP
  6. stand up, hold up, hold water - resist or withstand wear, criticism, etc.; "Her shoes won't hold up"; "This theory won't hold water"
    --6 is one way to survive, last, live, live on, go, endure, hold up, hold out
    Sample sentence:
    Something ----s
  7. bristle, uprise, stand up - rise up as in fear; "The dog's fur bristled"; "It was a sight to make one's hair uprise!"
    Sample sentence:
    Something ----s
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