Outlasts means to endure or remain in existence for a longer time than others. The antonyms of this word are:
1. Succumb - to give in or yield to a weaker force
2. Fade - to become weak or disappear gradually
3. Perish - to die or decay
4. Evanesce - to vanish gradually
5. Pass away - to die or come to an end
These antonyms represent the opposite of outlasts, meaning that they describe things that are fleeting, short-lived, or easily defeated. Therefore, using these antonyms in writing or speech can provide a more powerful and precise way to communicate ideas about the duration, strength, or permanence of something.