It means speaking while considering every detail and being exact. So if you woke up at 7:05 this morning, you could say that you woke up at 7:00, but technically speaking, you woke up at 7:05.
What does saying technically mean?
1 : with regard to or in accordance with a strict or literal interpretation of something (such as a rule, a term, or an official description or designation) What they're doing is technically illegal. Technically, a tomato is a fruit.
What is a another word for technically speaking?
Adverb. Strictly speaking. strictly speaking. actually.