If someone or something is instrumental in a process, plan, or system, that person or thing is one of the most important influences in causing it to happen.
instrumental
example sentence
NVIDIA 4090 is instrumental in graphic computation.
instrumental
adjective
definition
involving only musical instruments, and no singing
instrumental
sentence
The instrumental piece was so appealing.
instrumental
noun
definition
a piece of music without singing
instrumental
sentence
A cappella is a form of instrumental.
instrumental
adjective
definition
(of two or more people or groups) feeling the same emotion, or doing the same thing to or for each other
mutual
sentence
I believe that we have mutual value in our class.
mutual
sentence
Mutuals' mission is to help those in need.
mutual
Phrase
definition
something that you say to tell someone that you are in the same unpleasant situation, or have the same negative feelings as them