fallback
fallback — noun
1. another option you have prepared in advance so that you can use it if your main
another option you have prepared in advance so that you can use it if your main plan does not work or something you depend on suddenly becomes unavailable.
Padma always packs a power bank as a fallback in case her phone dies during fieldwork.
as a fallback in case [X]
If the new supplier is late again, the factory will use last year's vendor as a fallback.
use [X] as a fallback
The teacher prepared a paper worksheet as a fallback in case the school WiFi went down.
Leo applied to three local colleges as a fallback in case the scholarship abroad fell through.
The wedding planner kept the indoor hall booked as a fallback in case of rain.
- backup
more everyday; very common in tech contexts
- contingency
more formal; emphasises planning for risk
- reserve
broader; often used for resources, not plans
- main plan
the primary choice you intend to use first
文法句型
a fallback (for/in case of X)
have a fallback
用法筆記
Often appears as 'as a fallback' or 'have a fallback' — speakers stress that the option is held in reserve, not used by default.
常見錯誤
fallback — adjective
- fallbackpositive
- more fallbackcomparative
- most fallbacksuperlative
1. describes a plan, position, or choice that is kept ready so that you can switch
describes a plan, position, or choice that is kept ready so that you can switch to it when your first choice fails or stops being possible.
Selim drew up a fallback plan in case the bank refused his loan application.
fallback + plan
The union agreed on a fallback position before walking into the salary talks.
fallback + position (negotiation)
Eri kept a fallback offer from a smaller firm while waiting to hear from her dream company.
The coach gave the team a fallback strategy to use if the star player got injured.
Amani chose teaching as a fallback career, just in case her music dream did not pay the bills.
- backup
more informal; common in tech and everyday speech
- alternative
wider; does not imply the option is held in reserve
- contingency
more formal; stresses risk planning
- primary
the main choice you plan to use first
文法句型
fallback + plan/position/option
用法筆記
Attributive only — used before a noun (a fallback plan), not after 'be' (✗ 'the plan is fallback'). Almost always pairs with nouns like plan, option, position, strategy, career.
常見錯誤
fallback — verb
- fallbackpresent simple I / you / we / they
- fallbacks3rd person singular
- fallbacking-ing form
- fallbackedpast simple
1. to step or move backward away from a place or person, often slowly and to keep a
to step or move backward away from a place or person, often slowly and to keep a safe distance — most often seen in older or literary writing.
The soldiers were ordered to fallback from the river before the storm flooded the valley.
fallback from [place] (military / formal)
The crowd began to fallback as the police horses moved into the square.
fallback (intransitive, no object)
Vinícius told the children to fallback from the edge of the cliff at once.
The frightened deer began to fallback into the trees when the dog barked.
Christopher watched the wave fallback into the sea before the next one crashed in.
- advance
to move forward toward something
文法句型
fallback (from X)
用法筆記
Rare and formal. Modern English usually splits this into the phrasal verb 'fall back' (two words). Treat the one-word verb as literary or specialist; in everyday writing prefer 'retreat', 'step back', or the two-word 'fall back'.