Hypertext Webster Gateway: "unfrequently"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Unfrequent \Un*fre"quent\, a. [Pref. un- not + frequent.]
Infrequent. --J. H. Newman. -- {Un*fre"quent*ly} adv.
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.