time frame Antonyms

endlessness indefinite time indefinite time frame infinite amount of time non specific time frame not appointed time not defined period not defined time not defined time frame not determined time not established time not fixed period not fixed time not fixed time period not particular time indefinite period limitlessness eternity everlastingness expanse immeasurability immeasurableness inexhaustibility infiniteness infinitude infinity innumerability perpetuity sempiternity timelessness boundlessness not set time period