stand up

Short definition: The phrase stand up means to rise from a seated position, or to defend yourself or others confidently in a challenging situation.

Looking for a clear and natural explanation of the phrasal verb stand up? This is a very common expression in English and it can carry both literal and emotional meanings. It may describe physically rising to your feet, defending yourself or someone else, or even failing to show up for an appointment. Because it appears in many everyday situations, context is very important. Below are detailed meanings with realistic examples so you can clearly understand how stand up works in daily English.

Forms: stand up, stands up, stood up, standing up
Related: rise v., defend v., support v., upright adj.
Syllable: stand-up

1. (Verb) To rise to your feet from a sitting or lying position.

   To stand up most commonly means to move from sitting or lying down into an upright position on your feet. This is the literal and everyday meaning used in simple instructions or descriptions of physical movement.

   He stood up when the teacher entered the classroom.
   Please stand up if you can hear me clearly.
   She slowly stood up after tying her shoes.

   Synonyms: rise, get to your feet, straighten up, move upright, lift yourself up, stand, elevate body, climb up, come upright, pull yourself up, rise to feet, get upright
   Antonyms: sit down, lie down, kneel, crouch, remain seated, recline, slump, lower yourself, drop down, collapse, bend down, settle down

2. (Verb) To defend or support someone or something.

   Stand up can also mean defending yourself or others, especially when facing criticism or unfair treatment. It often suggests courage and confidence.

   She decided to stand up for her friend when others were being unfair.
   You need to stand up for your rights.
   He finally stood up to the bully instead of staying silent.

   Synonyms: defend, support, protect, back up, speak up for, fight for, uphold, advocate, stand by, champion, resist, oppose strongly
   Antonyms: give in, surrender, stay silent, back down, ignore injustice, withdraw support, abandon, avoid confrontation, submit, retreat, yield, comply passively

3. (Verb) To fail to meet someone as planned.

   In informal English, to stand someone up means not showing up for a planned meeting or date without warning. It usually causes disappointment or embarrassment.

   He was upset because his date stood him up.
   I can’t believe she stood me up after confirming the time.
   Don’t stand someone up unless there’s a real emergency.

   Synonyms: fail to show, not appear, skip meeting, miss appointment intentionally, not turn up, abandon plans, leave waiting, cancel without notice, ghost, break date, no-show, ditch
   Antonyms: show up, attend, arrive as planned, keep appointment, meet as scheduled, honor commitment, be punctual, appear, turn up, fulfill plan, keep promise, attend meeting

4. (Verb) To remain strong or endure over time.

   Stand up can also describe something remaining strong, stable, or functional under pressure or over time. This meaning is often used for objects, arguments, or performance.

   The material will stand up to heavy use without tearing.
   His explanation didn’t stand up under close examination.
   The product has proven it can stand up to tough conditions.

   Synonyms: endure, hold up, remain strong, last, withstand, resist pressure, stay firm, prove durable, survive stress, maintain strength, stay solid, persist
   Antonyms: collapse, fail, break down, weaken, give way, fall apart, deteriorate, crumble, lose strength, fail under pressure, give in, disintegrate