at any time; regardless of hour, date, etc.; whenever.
invariably; without doubt or exception; always: I can do better than that anytime.

Origin of anytime

First recorded in 1780–90; any + time Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for anytime

Contemporary Examples of anytime

Historical Examples of anytime

Word Origin and History for anytime

one-word form by 1854, from any + time (n.).

Online Etymology Dictionary, © 2010 Douglas Harper