very thin, as thin as a hair
A fishing line made from hair.
The line along one's forehead where hair starts growing.
A very thin line in writing, drawing, or typography.
A very thin fissure.
Not busy, of low quantity.
Not talking much or not talking loudly; reserved.
With little or no sound; free of disturbing noise.
Not showy; undemonstrative.
Requiring little or no interaction.
Having little motion or activity; calm.
The absence of sound; quietness.
The absence of movement; stillness, tranquility.
The absence of disturbance or trouble; peace, security.
To become quiet or calm.
To cause (someone or something) to become quiet.
Be quiet.