Was searching online at internetarchive.org and came across these downloadable dictionaries for free:
No doubt these aren't the latest dictionaries but it's handy to have something to download.
English Hebrew Dictionary 792 pages by Judah Ibn-shmuel Kaufman
English-Hebrew dictionary Large print by Waldstein, A. S. (Abraham Solomon), b. 1874
Compendious Hebrew English Dictionary Mishnaic, Medieval, Biblical and Modern Hebrew by Reuben Grossman
A child's picture dictionary. English/Hebrew by Sheheen, Dennis, 1944- [This one you need to borrow.]