Definition of under-strength in US English:

under-strength

adverb

  • 1Originally Military. With less than the usual or required personnel, equipment, or resources.

  • 2Of a mixture, compound, or preparation: under the usual, appropriate, or expected potency or degree of concentration.

adjective

  • 1Having less than the usual, appropriate, or expected potency or degree of concentration.

  • 2Originally Military. Having less than the usual or required personnel, equipment, or resources.

Origin

Mid 19th century; earliest use found in Lancaster Gazette. From under- + strength.

Pronunciation

under-strength

/ˌʌndəˈstrɛŋ(k)θ/