Pronunciation: [wˈe͡ɪts ˌʌp ˈɒn] (IPA) 
The phrase "waits up on" is spelled with the letter combination "-ai-" which is pronounced as /eɪ/. This diphthong is composed of two vowel sounds, the long /e/ and the long /a/. The letter "w" is pronounced as /w/ and the word "up" is pronounced as /ʌp/. Finally, the preposition "on" is pronounced as /ɑn/. When all of these sounds are put together, "waits up on" is pronounced as /weɪts ʌp ɑn/.
"Waits up on" is a colloquial expression which typically means to stay awake or remain alert until someone arrives home or returns from an event, outing, or journey. It signifies the action of deliberately staying awake, often out of concern or care for the person who is being waited for, to offer them company, support, or assistance upon their arrival.
The term "waits up on" often implies that the waiting person might stay awake beyond their normal bedtime or sleeping schedule in order to be available when the other person gets back, ensuring they are welcomed or attended to in some way. This act of waiting can involve a variety of gestures, such as keeping the lights on, preparing a meal or coffee, spending time together, or simply being present to welcome or check on the individual.
The phrase is figurative and is commonly used in a lighthearted or affectionate manner, reflecting a sense of care, attentiveness, or devotion towards the person being waited for. It can be seen as a gesture of love, friendship, family bond, or any relationship where one person feels the need to ensure the well-being and comfort of another. "Waits up on" is a phrase that captures the act of patiently awaiting the return of someone important or significant.
