[wiːk], (Adjective)

Definitions:
- lacking the power to perform physically demanding tasks; having little physical strength or energy
(e.g: she was recovering from flu, and was very weak)

- liable to break or give way under pressure; easily damaged
(e.g: the salamander's tail may be broken off at a weak spot near the base)

- lacking intensity or brightness
(e.g: a weak light from a single street lamp)

- denoting a class of verbs in Germanic languages that form the past tense and past participle by addition of a suffix (in English, typically -ed)

- relating to or denoting the weakest of the known kinds of force between particles, which acts only at distances less than about 10?¹⁵ cm, is very much weaker than the electromagnetic and the strong interactions, and conserves neither strangeness, parity, nor isospin


Phrases:
- the weaker sex
- the weakest link

Origin:
Old English wāc ‘pliant’, ‘of little worth’, ‘not steadfast’, reinforced in Middle English by Old Norse veikr, from a Germanic base meaning ‘yield, give way’