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OK

1 OK adverb
or okay /oʊˈkeɪ/
1 OK
adverb
or okay /oʊˈkeɪ/
Britannica Dictionary definition of OK
informal
used to ask for or express agreement, approval, or understanding
used for emphasis at the beginning of a statement
: fairly well : well enough
2 OK adjective
or okay /oʊˈkeɪ/
2 OK
adjective
or okay /oʊˈkeɪ/
Britannica Dictionary definition of OK
informal
: fairly good : not very good or very bad
: acceptable or agreeable
not used before a noun
: not ill, hurt, unhappy, etc.
: not marked by problems, danger, etc.
: likable, good, or honest
3 OK verb
or okay /oʊˈkeɪ/
OK's or okays; OK'd or okayed; OK'ing or okaying
3 OK
verb
or okay /oʊˈkeɪ/
OK's or okays; OK'd or okayed; OK'ing or okaying
Britannica Dictionary definition of OK
[+ object] informal
: to approve (something) : to say or decide that (something) will be allowed
4 OK noun
or okay /oʊˈkeɪ/
4 OK
noun
or okay /oʊˈkeɪ/
Britannica Dictionary definition of OK
[singular] informal
: approval or permission
5 OK abbreviation
5 OK
abbreviation
Britannica Dictionary definition of OK
Oklahoma