Definitions

1. adjective

having the quality of being easily crushed or deformed by pressure

“The squishiest marshmallows in the bag were the first to melt in the microwave.”

2. adjective

having the quality of being soft and yielding to pressure

“The squishiest pillow I’ve ever slept on was at that luxurious hotel.”

3. noun

the softest or most easily crushed part of something

“The squishiest part of the strawberry is the center, where the seeds are.”