Intermediate (B1)
IPA: /ˈsɛptəpəl/
KK: /ˈsɛptəpəl/
Definition
Made up of seven parts or members, or seven times as much in size, strength, number, or amount.
Example
The septuple layers of the cake made it very rich and delicious.
Conversation

Did you see that new game with the septuple challenges?

Yeah, it sounds intense! Seven different tasks to complete.

I can't believe they made it septuple this time; it's going to take forever.

For sure! But it should be a lot of fun if we tackle it together.
Synonyms & Antonyms
Synonyms
sevenfold
septenary
heptadic
Definition
A quantity that is seven times as much as something else.
Example
The prize money was a septuple of what it was last year.
Conversation

I just heard about a game that has a septuple challenge mode.

That sounds intense! What does that even mean?

It means you have to complete seven tasks at once.
Definition
To increase something by a factor of seven or to make it seven times larger.
Example
The company plans to septuple its profits over the next five years.
Tense Forms
Past: septupled
Past Participle: septupled
Conversation

Did you know that if you septuple a number, you multiply it by seven?

Really? I never thought about it that way.

Yeah, it's interesting how multiplying works in different ways.
Root Explanation
Septuple → It is formed from "septem" (meaning seven) and "-ple" (from Latin "plicare", meaning to fold). The word "septuple" means to fold or multiply something seven times.
Memory Tip
Think of the Latin word for seven, 'septem', to remember that 'septuple' means to multiply something by seven.
Visually Confused Words
sextuple
setule
subseptuple
sextuplex
sextuplet
spatule
sertule