the state of needing something that is absent or unavailable

Not available, accessible, or at hand, not available or accessible or at hand, noun_ US, history A communist who operated underground and was therefore not available for a political leadership position

Having been put to use and therefore unavailable for use, Depleted or nearly depleted of fissionable material, Consumed, used up, exhausted, depleted, verb_ Simple past tense and past participle of spend

An abbreviation for Out of Office, a phrase often used in professional contexts to indicate that someone is unavailable for work (usually because they are on vacation), An abbreviation for hugs, usually placed at the end of a letter or in text messaging; often placed alongside xxx