Simple Definition of indefinite

from our Learner's Dictionary

indefinite

adjective

: not definite: such as
a
: not certain in amount or length
We're stuck here for an indefinite period of time.
Their plans have been put on indefinite hold.
b
: not clear or certain in meaning or details : vague
an indefinite answer/boundary
She is indefinite about her plans.
Our plans are indefinite.

Cite this Entry

“Indefinite.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/indefinite. Accessed 16 Apr. 2026.

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