well up
adj1
Colloquial Well versed; well acquainted (in or on).
- How well up are you on algebra?
verb, adj — 3 senses
To gradually or steadily flow upwards or outwards so as to begin to fill or overflow something.
Broadly, Figuratively, Of an emotion To accumulate within one, to the point of overwhelming one.
Colloquial Well versed; well acquainted (in or on).
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.