Definitions from Wiktionary ( )

▸ verb:  (transitive) To maintain, or keep in existence.
▸ verb:  (transitive) To provide for or nourish.
▸ verb:  (transitive) To encourage or sanction (something).
▸ verb:  (transitive) To experience or suffer (an injury, etc.).
▸ verb:  (transitive) To confirm, prove, or corroborate; to uphold.
▸ verb:  (law, of a judge) To allow, accept, or admit (e.g. an objection or motion) as valid.
▸ verb:  To keep from falling; to bear; to uphold; to support.
▸ verb:  To aid, comfort, or relieve; to vindicate.
▸ noun:  (music) A mechanism which can be used to hold a note, as the right pedal on a piano.

---

▸ Word origin

▸ Words similar to sustain
▸ Usage examples for sustain

▸ Idioms related to sustain
▸ Wikipedia articles (New!)
▸ Popular adjectives describing sustain
▸ Words that often appear near sustain
▸ Rhymes of sustain

▸ Invented words related to sustain