Part of Speech: "Flex" can be used as both a verb and a noun.
Flexible (adjective): Capable of bending easily without breaking.
Flexibility (noun): The quality of being flexible.
"Flex your muscles": This idiom means to show strength or power, often in a competitive or aggressive way.
"Flexibility in thinking": Refers to being open to new ideas or changes.
"Flex" is a versatile word that can describe bending physical objects or showing off strength, either literally or metaphorically.