To maintain, or keep in existence.
The city came under sustained attack by enemy forces.
To provide for or nourish.
provisions to sustain an army
To encourage or sanction (something).
To experience or suffer (an injury, etc.).
The building sustained major damage in the earthquake.
To confirm, prove, or corroborate; to uphold.
to sustain a charge, an accusation, or a proposition
To keep from falling; to bear; to uphold; to support.
A foundation sustains the superstructure; an animal sustains a load; a rope sustains a weight.
To aid, comfort, or relieve; to vindicate.
Held continuously at a certain level.
Held at a certain pitch.