Something that can get longer than it's original size
One such word is elastic.
expandable (I know its not 7!) I hope this helped!(:
elastic, spandex, or tensile
The word Mollusk is a 7 letter word.
The 7 letter word is "Capsule"
A 7-letter word for "far" is "distant."
A 7-letter word for barely boiled is "poached".
Ability is a 7 letter word.
pontoon
Can't get a 7 letter word with only 6 letters. The 6 letter word is DESIST.
Oh, dude, you're really testing my brain cells here. Let me think... Oh, wait, I got it! The word is "silicon." Like, you know, the stuff that powers our devices and makes us all addicted to scrolling through memes.
A seven (7) letter word without vowels: glycyls