WEAK

Overly diluted; thin and insipid

Example: "Washy coffee"

(used of vowels or syllables) pronounced with little or no stress

Example: "A syllable that ends in a short vowel is a light syllable"

Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings

Example: "I'm only a fallible human"

Tending downward in price

Example: "A weak market for oil stocks"

Deficient or lacking in some skill

Example: "He's weak in spelling"

Lacking bodily or muscular strength or vitality

Example: "A feeble old woman"

(used of verbs) having standard (or regular) inflection

Not having authority, political strength, or governing power

Example: "A weak president"

Deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc

Example: "A faint outline"

Likely to fail under stress or pressure

Example: "The weak link in the chain"

Deficient in intelligence or mental power

Example: "A weak mind"