adj very intimate, near, or close.
2. chief ·adj highest in office or rank; principal; head.
3. chief ·noun the principal part; the most valuable portion.
4. chief ·noun the upper third part of the field. it is supposed to be composed of the dexter, sinister, and middle chiefs.
5. chief ·adj principal or most eminent in any quality or action; most distinguished; having most influence; taking the lead; most important; as, the chief topic of conversation; the chief interest of man.
6. chief ·noun the head or leader of any body of men; a commander, as of an army; a head man, as of a tribe, clan, or family; a person in authority who directs the work of others; the principal actor or agent.