OK

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

1. a state in south central United States
• Syn:
Oklahoma, Sooner State
• Instance Hypernyms:
American state
• Part Holonyms:
United States, United States of America, America, the States, US,
U.S., USA, U.S.A.
• Part Meronyms:
Platt National Park, Bartlesville, Enid, Lawton, McAlester,
Muskogee, Oklahoma City, capital of Oklahoma, Tulsa, Arkansas, Arkansas River,
Canadian, Canadian River, Cimarron, Cimarron River, Llano Estacado, Neosho,
Neosho River, Red, Red River
2. an endorsement
- they gave us the O.K. to go ahead
• Syn:
O.K., okay, okey, okeh
• Derivationally related forms:
okay (for: okay), O.K., O.K. (for: O.K.)
• Hypernyms:
sanction, countenance, endorsement, indorsement, warrant, imprimatur

II - adverb

an expression of agreement normally occurring at the beginning of a sentence (Freq. 1)
• Syn:
very well, fine, alright, all right