stand up
[verb]
Synonyms: rise, get up, uprise, upspring
[adjective]
Synonyms: erect, arrect, raised, straight-up, upright, upstanding

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Contrasted words: lowered, flat, horizontal

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English Thesaurus: stand, be on your feet, get up, stand up, get to your feet, ...

[TahlilGaran] English Synonym Dictionary ▲

stand up phrasal verb (see also stand)

1. to be on your feet, or to rise to your feet ⇒ stand-up:
I’ve been standing up all day.
Stand up straight and don’t slouch!
Jim stood up stiffly.

2. [always + adverb/preposition] to stay healthy or in good condition in a difficult environment or after a lot of hard use
stand up to
Most of the plants stood up well to the heat.

3. to be proved to be true, correct, useful etc when tested
stand up to/under
The memoirs stand up well to cross-checking with other records.
Without a witness, the charges will never stand up in court (=be successfully proved in a court of law).

4. stand somebody up informal to not meet someone who you have arranged to meet:
I was supposed to go to a concert with Kyle on Friday, but he stood me up.

5. stand up and be counted to make it very clear what you think about something when this is dangerous or might cause trouble for you

[TahlilGaran] Dictionary of Contemporary English ▲

I. ˈstand-up¹ , stand‧up /ˈstændʌp/ adjective [only before noun]

1. stand-up comedy involves one person telling jokes alone as a performance:
a stand-up comedian

2. a stand-up meeting, meal etc is one in which people stand up:
We had a stand-up buffet.

3. a stand-up fight, argument etc is one in which people shout loudly at each other or are violent:
If it came to a stand-up fight, I wouldn’t have a chance.

4. able to stay upright:
a photo in a stand-up frame
a stand-up collar
⇒ stand up at stand¹

[TahlilGaran] Dictionary of Contemporary English ▲

II. stand-up² , standup noun [uncountable]

1. stand-up comedy:
Mark used to do stand-up at Roxy’s Bar.

2. a comedian who does stand-up comedy

[TahlilGaran] Dictionary of Contemporary English ▲

stand to be on your feet in an upright position:
There were no seats, so we had to stand.
When we entered, Stephen was standing by his desk.
be on your feet to be standing, especially for a long time:
If you have young kids, you’re on your feet all day.
I’d been on my feet since 7 o'clock and I needed to sit down.
The crowd were all on their feet clapping and calling for more.
get up to stand after you have been sitting or lying down:
He got up and turned off the TV.
Mum fell in her flat and was unable to get up.
stand up to stand after you have been sitting, or to be in a standing position:
I stood up when she came in and shook her hand.
It’s generally better to do this exercise standing up.
get to your feet written to stand up, especially slowly or when it is difficult for you:
My attorney got slowly to his feet, breathing heavily.
rise formal to stand after you have been sitting, especially at a formal event:
As the bride entered the cathedral, the congregation rose.
Audience members rose to their feet, cheering and clapping.

[TahlilGaran] English Thesaurus ▲

stand up
stand (someone) up
to fail to meet someone you had arranged to see.
Chuck and I had a date for dinner and he stood me up.

The mayor stood up the visitors because of an emergency city council meeting.

to prove to be true or correct.
The way this contract is written now, it wouldn't stand up in court.

Detectives checked his alibi and it stood up, so they let him go.

[TahlilGaran] English Idioms Dictionary ▲

stand up
1. • stand up
to be strong enough to use for a long time
The new carpet should stand up for a long time.

2. • stand up (someone)
to fail to keep an appointment or date with someone (usually used for a date with a boyfriend or girlfriend)
The boy stood the girl up on a date last Saturday and now she will not talk to him.

3. • stand up for (someone or something)
to defend against attack, to fight for someone or something
The citizens of the town were ready to stand up for their rights.

[TahlilGaran] English Idioms Dictionary ▲

stand up
v.
1. To rise to a standing position; get up on your feet.
A gentleman stands up when a lady enters a room.
2. To be strong enough to use hard or for a long time.
A rocket must be built strongly to stand up under the blast-off.
The old car has already stood up for twenty years.
Compare: WEAR WELL.
3. informal To make a date and then fail to keep it.
June cried when Bill stood her up on their first dale.

[TahlilGaran] English Idioms Dictionary ▲