Looks up on is a phrase that means admire or respect someone or something. The antonyms for looks up on are disregard, disrespect, hate or despise. When someone disregards or disrespects another person or thing, they show little or no appreciation for them. On the other hand, if someone hates or despises a person or thing, they have strong negative feelings towards them. It is essential to be aware of the impact our words and actions have on others. Therefore, we need to choose our words wisely and treat everyone with respect and kindness, no matter who they are.