Close and Come upon

Close verb - To position (something) so as to prevent passage through an opening.

Come upon and close are semantically related In some cases you can use "Come upon" instead a verb "Close".

Nearby Words: closed, closeness, closing, closely, closure

Come upon verb - Find unexpectedly.

Close and come upon are semantically related in action topic. Sometimes you can use "Close" instead a verb "Come upon".