infrequent

Word family  noun frequency ≠ infrequency adjective frequent ≠ infrequent verb frequent adverb frequently ≠ infrequently

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++in·fre·quent /ɪnˈfriːkwənt/ adjective  RARELYnot happening often 不经常发生的；罕见的 SYN rare OPP frequent They would make infrequent visits to the house. 他们偶尔去看一看那所房子。 —infrequency noun [uncountable]

Examples from the Corpus

infrequent• As time went on, her visits became more and more infrequent.• Cases of typhoid are relatively infrequent in Northern Europe.• Rain is infrequent in this normally hot, dry region of the world.• Roger's infrequent letters home did not reveal much about his personal life.

in·fre·quent adjectiveChineseSyllable  

happening often not Corpus

infrequent
in‧fre‧quent /ɪnˈfriːkwənt/ adjectivenot happening often
   SYN  rare
   OPP  frequent:
    They would make infrequent visits to the house.
—infrequency noun [uncountable]
     

THESAURUS

   ▪ rare not existing in large numbers or in large amounts: The law prevents the export of rare birds. | The plates are quite rare. Only about a hundred were made.
   ▪ scarce not available in large enough numbers or amounts at a particular time – used especially about things people need: After the war, food and clothing were scarce. | People are having to compete for scarce resources.
   ▪ not common [not before noun] fairly rare: Silver coins of this period are not common, and could be very valuable.
   ▪ infrequent formal not happening often: As time went on, her visits became more and more infrequent.
   ▪ be few and far between to not be common – especially much less common than you might expect: Luckily, accidents such as these are few and far between. | Bargains are, unfortunately, few and far between.
   ▪ be (something of) a rarity if something or someone is a rarity, it is surprising to find one, because very few exist: Women are still something of a rarity in senior management positions.
   ▪ be like hen’s teeth informal to be extremely rare: Good Greek restaurants are like hen’s teeth around here.

in·fre·quentBrE /ɪnˈfriːkwənt/ 🔊NAmE /ɪnˈfriːkwənt/ 🔊 adjectivenot happening often 不常发生的；罕见的 SYN rare ◆her infrequent visits home她少有的探望家人◆Muggings are relatively infrequent in this area. 在这个地区行凶抢劫事件相对少见。🔊🔊 OPP frequent ▸ in·fre·quent·ly BrE /ɪnˈfriːkwəntli/ 🔊NAmE /ɪnˈfriːkwəntli/ 🔊 adverb◆This happens not infrequently (= often). 这种事常常发生。🔊🔊