sustained
Definitions
Continuing for an extended period without interruption or weakening.
Maintained at a particular level or rate.
Supported or upheld, as in a legal objection or a physical weight.
Examples
The athlete suffered a sustained injury during the final minutes of the championship game.
The company has seen sustained growth in its revenue over the past five fiscal years.
Synonyms
continuous prolonged constant enduring persistent steady uninterrupted
Antonyms
intermittent brief fleeting sporadic temporary discontinuous short-lived