A. to flee
B. explain
C. reverse
D. insert

Explanation:

The word interpolate means to insert something (words, numbers, or comments) into a text or sequence.

In simple words: to add or put something between existing things.

So, the synonym of interpolate is insert.

Real-Life Example

• The editor interpolates missing words in a sentence.
• A programmer inserts data into a code or sequence.

Add in between = Interpolate / Insert

Main Points for Exams

• Interpolate means to insert or add between.
• Insert is its correct synonym.
• Other options are unrelated meanings.
• Therefore, Insert is the correct answer.
• Common in PPSC, FPSC, CSS, PMS, NTS, IELTS, TOEFL exams.

Quick Memory Trick

➕ Interpolate = Put In Between
📥 Insert = Same Meaning

Add ↔ Insert
Interpolate ↔ Insert ✔️