Intermediate (B1)
IPA: /səˈlɪdɪfaɪ/
KK: /sɑːlɪˌfaɪ/
Definition
To change from a liquid or soft state to a firm or hard state.
Example
The ice will solidify if you put it in the freezer.
Tense Forms
Past: solidified
Past Participle: solidified
Conversation

I think our plans for the weekend will really solidify once we decide on a location.

Yeah, I agree! It will help us feel more prepared.

Exactly! Once we know, everything else will just fall into place and solidify naturally.

For sure! I'm excited to see how it all comes together.
Synonyms & Antonyms
Definition
To make something solid or firm, or to strengthen it.
Example
The heat will solidify the mixture into a hard form.
Tense Forms
Past: solidified
Past Participle: solidified
Conversation

I'm trying to find ways to solidify my understanding of this topic.

That's a good idea! Maybe you could teach someone else what you've learned.

Yeah, explaining it really helps to solidify the information in my mind.
Root Explanation
Solidify → It is formed from "solidus" (meaning solid) and "-fy" (meaning to make). The word "solidify" means to make something solid or to become solid.
Memory Tip
Think of making something 'solid' — 'solidus' means solid, and '-fy' means to make.