Long-acting

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having a pharmaceutical effect principally in the long term.

    "I have tried all the medium and short acting non-barbiturate sedatives since the war (including thalidomide) but they don’t work and I don’t trust the newfangled long acting, “safe” analgesics."

Adjective
  1. 1
    active over a long period of time wordnet

Example

More examples

"I have tried all the medium and short acting non-barbiturate sedatives since the war (including thalidomide) but they don’t work and I don’t trust the newfangled long acting, “safe” analgesics."

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