Second-line

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of second resort. not-comparable
  2. 2
    Of mediocre quality or peripheral importance. not-comparable
  3. 3
    At the next-to-lowest supervisory level. not-comparable

Example

More examples

"XDR-TB does not respond to two first-line drugs commonly used to treat TB, and it is resistant to at least two second-line drugs. Without treatment, the condition is fatal."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.