(intransitive) to be (indicates sameness or membership in a class) [+nominative or instrumental] / (intransitive) to be (auxilary verb used for predication) [+adjective] / (intransitive) In future tense, forms future tense of imperfective verbs. [+infinitive or verb in past tense] / (archaic, intransitive) In past tense, forms pluperfect tense. [+verb in past tense] / (intransitive) to be (indicates location), there be

(idiomatic) maybe, perhaps

Used other than figuratively or idiomatically: see może, być. / OK, that will do (expresses acceptance with a hint of reluctance or indifference)

(intransitive, idiomatic) to be even, to be quits, to be all square

(transitive, idiomatic) to have

(intransitive, idiomatic) to be wrong, to be mistaken

(intransitive, idiomatic) to be able to, can [+ infinitive (object)]

(intransitive, idiomatic) to take to something like a duck to water

(intransitive, idiomatic) to be close [+ z (instrumental) = to someone] / (intransitive, idiomatic) to have a way with [+ z (instrumental) = with something]

(idiomatic, intransitive) to have one foot in the grave