The word "dethaw" means to thaw something that has previously been frozen. However, there are many other words that can also be used interchangeably with "dethaw." Some synonyms for dethaw include "defrost," "melt," "thaw out," "unfreeze," "thaw," "soften," and "liquify." Each of these synonyms can be used in different contexts and situations to convey the same idea of melting or thawing something that was previously frozen. For instance, someone might say, "I'm going to dethaw the chicken for dinner tonight," or, "I forgot to dethaw the frozen vegetables before cooking".