if need be

if need be

If it is necessary. If need be, I can bring some extra chairs from home so everyone has a place to sit.
See also: if, need
Farlex Dictionary of Idioms.

if need(s) ˈbe

if it is necessary: We should have enough money, but if need be, we can cash one of our traveller’s cheques. Give him a tablet now to relieve the pain; you can give him another one later if needs be.
See also: if, need
Farlex Partner Idioms Dictionary
See also:
  • What can I do for you?
  • say no more
  • cry out for
  • cry out for (someone or something)
  • confer about (someone or something)
  • park that thought
  • I need it yesterday
  • need (something) yesterday
  • need yesterday
  • a crying need