This is the 186th most frequent Hebrew word.
אינו
"אינו" means "is not" or "does not" (masculine singular).
The word 'אינו' is used here as a negation linked to a third-person singular masculine noun, providing a formal tone.
הוא אינו מבין את החומר בכיתה.
He does not understand the material in class.
'אינו' signifies the negative of the verb 'operational' for third-person singular masculine, reflecting a formal use.
המפעל אינו פועל בשעה מאוחרת.
The factory is not operational at a late hour.
Here, 'אינו' negates the suitability attribute for the game, maintaining a formal register.