The phrase "holding pattern" refers to the act of waiting or staying inactive in anticipation of future developments. Some synonyms of holding pattern include a pause, standby, a state of limbo, a state of waiting, a temporary delay, and a holding position. These terms can help in signifying the feeling of being stuck or the need for more information before making a decision. Other similar phrases that can be used interchangeably with holding pattern are treading water and biding time. However, it is important to note that these synonyms and phrases do not necessarily carry the same connotations or implications as holding pattern.