schwach — meaning in English

English meaning

faint adj Barely perceptible; weak in intensity.
feckless adj Lacking direction, competence, or effectiveness; irresponsible and ineffective.
feeble adj Physically weak, lacking strength.
flimsy adj Easily broken or damaged; not sturdy.
frail adjective Physically weak or delicate, especially due to age or illness.
infirm adj Physically weak or in poor health, especially due to age or illness.
lightweight noun A boxing (or similar combat sport) weight class between welterweight and featherweight, or a competitor in it.
low adj Close to the ground or to a base level; not high.
mild adjective Gentle in temperament; not quick to anger or harshness.
sickly adj Frequently ill, or generally weak and unhealthy.
sluggish adjective Slow-moving, lacking energy or alertness.
tenuous adjective Weak, flimsy, or barely holding together; lacking a solid basis.
unfit adj Not suitable or qualified for a particular purpose or role.
vague adj Not clearly expressed, defined, or understood; lacking precise detail.
valetudinarian adj Often ill or in poor health; connected with being unwell.
weak adj Lacking physical strength or power.

schwach is used for these senses in English:

faint (of a being) Lacking strength; weak; languid; inclined to lose consciousness
feckless Lacking the courage to act in any meaningful way.
feeble Deficient in physical strength.
frail Easily broken physically; not firm or durable; liable to fail and perish.
lightweight Lacking in strength.
mild (of an illness or pain) Not serious or dangerous.
sickly Lacking intensity or vigour.
sluggish Habitually idle and lazy; slothful; dull; inactive

adj Barely perceptible; weak in intensity.
adj Feeling weak or dizzy, as if about to lose consciousness.
verb To lose consciousness briefly, usually from lack of blood flow to the brain.