say it: week
weak is an adjective meaning "wanting in physical strength". It is pronounced /ˈwik/ — week. It carries 12 recorded senses.
(used of vowels or syllables) pronounced with little or no stress
“a syllable that ends in a short vowel is a light syllable”
“a weak stress on the second syllable”
deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc
“a faint outline”
“the wan sun cast faint shadows”
“the faint light of a distant candle”
“weak colors”
“a faint hissing sound”
“a faint aroma”
“a weak pulse”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for weak come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.