Drained of strength

• Drained of energy
• Made less vital
• Slowly diminished, as strength
• Made weak
• Tuckered out
• Depleted
• Exhausted, as one's strength

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Sap \Sap\, v. t. [imp. & p. p. Sapped ; p. pr. & vb. n. Sapping .] [F. saper (cf. Sp. zapar, It. zapare), fr. sape a sort of scythe, LL. sappa a sort of mattock.] To subvert by digging or wearing away; to mine; to undermine; to destroy the foundation of. ...

WordNet Word definitions in WordNet
n. a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant a person who lacks good judgment [syn: fool , saphead , muggins , tomfool ] a piece of metal covered by leather with a flexible handle; used for hitting ...