Pronunciation: /ɪn rɪˈzɜrv/
adverb describes how something is done or the manner in which an action is performed
A1 I always keep extra batteries in reserve in case my flashlight dies.
A2 The team had a secret weapon in reserve for the final match.
B1 The company has funds in reserve to cover unexpected expenses.
B2 The army had a battalion in reserve ready to deploy at a moment's notice.
C1 The chef had a special dish in reserve for VIP guests.
C2 The government has strategic reserves of oil to ensure energy security.
preposition shows the relationship between a noun (or pronoun) and other words in a sentence
A1 I always keep some extra batteries in reserve in case my flashlight dies.
A2 The team had a backup plan in reserve in case the original plan failed.
B1 The company has funds in reserve for unexpected expenses.
B2 The army had a battalion in reserve ready to be deployed if needed.
C1 The chef had a special ingredient in reserve to add a unique flavor to the dish.
C2 The government kept the information in reserve until it was deemed necessary to release it.
formal The company keeps extra inventory in reserve to meet unexpected demand.
informal I always have some cash in reserve for emergencies.
slang I've got a backup plan in reserve just in case things go south.
figurative She kept her emotions in reserve, not wanting to show how upset she really was.
was in reserve
in reserves
more in reserve
most in reserve
in reserve
will be in reserve
has been in reserve
is being in reserve
in reserve
in reserve
to be in reserve
being in reserve
in reserve