There are a number of synonyms for the word "freefalling". One common term is "plummeting", which suggests a sudden and uncontrolled descent. Another option is "tumbling", which can evoke a sense of disorientation and lack of stability. "Dropping" or "falling rapidly" are also suitable alternatives, both indicating a rapid loss of altitude. For a more poetic spin, one might consider "hurtling" or "whipping" through the air, which convey a sense of speed and motion. Ultimately, the choice of synonym will depend on the context in which it is used and the desired effect on the reader or listener.