Pronunciation: (kâr"ful), [key]
1. cautious in one's actions: Be careful when you cross the street.
2. taking pains in one's work; exact; thorough: a careful typist.
3. (of things) done or performed with accuracy or caution: careful research.
4. solicitously mindful (usually fol. by of, about, or in): careful of the rights of others; careful about one's behavior; careful in speech.
b. attended with anxiety.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.