The phrase "looking high and low" typically implies an active search for something or someone. However, if we were to consider antonyms for this term, we might think of words that convey a lack of effort or concern, such as "neglecting" or "ignoring." Other antonyms could include "sitting idle," "waiting patiently," or even "avoiding" altogether. While these terms may not explicitly contradict the meaning of "looking high and low," they do offer opposing perspectives that could be useful in certain contexts. Ultimately, the choice of antonym depends on the intended message and tone of the communication.