1
Mark simultaneity
Show that two events occur together.
Example
Prices fell while production increased at the same time.
at the same time
/ət ðə ˌseɪm ˈtaɪm/ · at thuh SAYM TYMsimultaneity or qualification phrase
Simultaneously; also used to introduce a balancing qualification.
Use at the same time to signal this exact relationship between ideas: simultaneously; also used to introduce a balancing qualification.
What at the same time Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Balance two truths
Add a qualification that coexists with the prior claim.
Example
The system is efficient. At the same time, it is difficult to audit.
3
Hold competing views
Recognise that two evaluations can both be valid.
Example
The novel is playful and, at the same time, deeply critical.
Use at the same time Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
Prices fell while production increased at the same time.
The system is efficient. At the same time, it is difficult to audit.
The novel is playful and, at the same time, deeply critical.
Precision Matters
At the same time overlaps with several common words, but each carries a different emphasis.
at the same time
vs.Signals simultaneously; also used to introduce a balancing qualification.
all the same
Means nevertheless; despite the point or difficulty just mentioned.
at the same time
vs.Signals simultaneously; also used to introduce a balancing qualification.
simultaneously
Means at the same time.
at the same time
vs.Signals simultaneously; also used to introduce a balancing qualification.
additionally
Means also; as a further, separate point.
at the same time
vs.Signals simultaneously; also used to introduce a balancing qualification.
although
Means despite the fact that; introduces a subordinate concession.
Test at the same time in Context
The second statement is a coexisting qualification, not a result.
1
The new process is faster and cheaper. ___, it produces more waste and therefore requires careful oversight.