To do without is to manage even though you lack something. Do without a car, learn to do without, could do without that.
There is a second, drier use, since to say you could do without something means you wish it would stop. Both senses are everyday and the tone tells them apart.
1phrasedo withoutTo manage even though you lack something.
“They learnt to do without a car for the whole of that year.”
do without is a phrase.
Also accepted in games: go without
Practised in Phrasal Verbs