Vitamin B-12 is a vitamin the body uses to make and support healthy nerve cells. It's also used to make healthy red blood cells and the genetic material inside cells called DNA. Vitamin B-12 also is called cobalamin. Food sources of vitamin B-12 include poultry, meat, fish and dairy products. Food companies also may add vitamin B-12 to breakfast cereals. Some people may take it as a vitamin by ...
weak, feeble, frail, fragile, infirm, decrepit mean not strong enough to endure strain, pressure, or strenuous effort. weak applies to deficiency or inferiority in strength or power of any sort.
Define weak. weak synonyms, weak pronunciation, weak translation, English dictionary definition of weak. not strong; feeble; lacking firmness or force of will: The illness had made her weak.
WEAK definition: 1. not physically strong: 2. not strong in character, so that you are not able to make decisions…. Learn more.
Definition of weak adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
If you describe someone as weak, you mean that they are not very confident or determined, so that they are often frightened or worried, or easily influenced by other people.
impotent, ineffectual, or inadequate: weak sunlight; a weak wind. lacking in rhetorical or creative force or effectiveness: a weak reply to the charges; one of the author's weakest novels.
From Middle English weyk, wayk, weik, waik, from Old Norse veikr (“weak”), from Proto-Germanic *waikwaz (“weak, yielded, pliant, bendsome”), from Proto-Indo-European *weyk- (“to bend, wind”).