weak

wanting in physical strength; "a weak pillar"

overly diluted; thin and insipid; "washy coffee"; "watery milk"; "weak tea"

(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"

wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings; "I'm only a fallible human"; "frail humanity"

tending downward in price; "a weak market for oil stocks"

deficient or lacking in some skill; "he's weak in spelling"

lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless"

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

not having authority, political strength, or governing power; "a weak president"

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"

likely to fail under stress or pressure; "the weak link in the chain"

deficient in intelligence or mental power; "a weak mind"