Synonyms of the word

sustained

• v. simple past tense and past participle of sustain.
• adj. Held continuously at a certain level.
• adj. (music) Held at a certain pitch.

continuous

• adj. Without break, cessation, or interruption; without intervening time.
• adj. Without intervening space; continued; protracted; extended.
• adj. (botany) Not deviating or varying from uniformity; not interrupted; not joined or articulated.
• adj. (analysis, of a function) Such that, for every x in the domain, for each small open interval D about f(x),…
• adj. (mathematics, more generally, of a function) Such that each open set in the range has an open preimage.
• adj. (grammar) Expressing an ongoing action or state.

uninterrupted

• adj. continuing with no interruption.