1 interest rates

1 efficiency

1 probability (math.)

1 to protect

2 to defend

3 to guard against

4 to prevent

1 to defend

2 to protect (against)

1 to guard against the unexpected (idiom); just in case

2 prepared for any eventualities

1 frugality in order to prevent destitution (idiom)

1 lit. easy to dodge the spear in the open, hard to avoid a stab in the dark (idiom); it is hard to guard against secret conspiracies

1 lit. easy to dodge the spear in the open, hard to avoid a stab in the dark (idiom); it is hard to guard against secret conspiracies

1 to compose in off-hand way (idiom); to dash off