INFREQUENCY
rarity, rareness, infrequency
(noun) noteworthy scarcity
Source: WordNet® 3.1
Etymology
Noun
infrequency (usually uncountable, plural infrequencies)
The characteristic of being infrequent.
Synonyms: rarity, irregularity, scarcity, Thesaurus:rareness
The state of being unfrequented; isolation; seclusion.
Synonyms
• uncommonness; see also rareness
Source: Wiktionary
In*fre"quence, In*fre"quen*cy, n. Etym: [L. infrequentia scantiness :
cf. F. infrequence.]
1. The state of rarely occuring; uncommonness; rareness; as, the
infrquence of his visits.
2. The state of not being frequented; solitude; isolation;
retirement; seclusion. [R.]
The solitude and infrequency of the place. Bp. Hall.
Source: Webster’s Unabridged Dictionary 1913 Edition