WordNet

tell spontaneously; "crack a joke"
become fractured; break or crack on the surface only; "The glass cracked when it was heated" (同)check, break
break into simpler molecules by means of heat; "The petroleum cracked"
break partially but keep its integrity; "The glass cracked"
cause to become cracked; "heat and light cracked the back of the leather chair"
reduce (petroleum) to a simpler compound by cracking
a purified and potent form of cocaine that is smoked rather than snorted; highly addictive (同)crack_cocaine, tornado
a usually brief attempt; "he took a crack at it"; "I gave it a whirl" (同)fling, go, pass, whirl, offer
a blemish resulting from a break without complete separation of the parts; "there was a crack in the mirror"
a long narrow opening (同)cleft, crevice, fissure, scissure
a sudden sharp noise; "the crack of a whip"; "he heard the cracking of the ice"; "he can hear the snap of a twig" (同)cracking, snap
gain unauthorized access computers with malicious intentions; "she cracked my password"; "crack a safe"
hit forcefully; deal a hard blow, making a cracking noise; "The teacher cracked him across the face with a ruler"
make a very sharp explosive sound; "His gun cracked"
a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends (同)snapper, cracker bonbon
a programmer who cracks (gains unauthorized access to) computers, typically to do malicious things; "crackers are often mistakenly called hackers"
a thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet
gather nuts
usually large hard-shelled seed
a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
the 13th letter of the Greek alphabet

PrepTutorEJDIC

『割れ目』,ひび,きず;(戸・窓の)わずかの開き / 『パチッ,ピシッ,バン,ガチャッ』(物が壊れたり銃声などの音) / 強い一撃 / (声の)しゃがれ,うわずり;声変り / 《話》瞬間,一瞬 / 気のきいた言葉;皮肉;冗談 / 《話》(…の)機会,試み《+『at』+『名』(do『ing』)》 / …‘に'『ひびを入れる』 / …'を'パチッと割る,砕く / …'を'パチッ(ビシッ)と鳴らす / …'を'ピシャリと打つ / 〈声〉'を'かすれさせる,うわずらせる / 《話》〈家など〉‘に'押し入る;〈金庫など〉'を'破る / 《話》…'を'解く;〈暗号など〉'を'解読する / 《話》〈冗談など〉'を'とばす / 《話》〈酒びんなど〉'を'ポンとあけて飲む / 〈石油〉'を'分解蒸留する / 『割れる』,くだける;ひびがはいる / 『パチッ』(『ビシッ,バン,ガチャッ』)『と鳴る』 / 〈声が〉かすれる;うわずる / (疲労・苦痛などに)参る,屈する / 第一級の,優秀な / パチッと
〈C〉クラッカー(薄い堅焼きのビスケット)・〈C〉かんしゃく玉,爆竹 / 《複数形で》クルミ割り器(nutcracker)・〈C〉《米》米国南部の貧乏な白人(Georgia州などのpoor white：農耕や移動に使うラバに鞭を当てる音の「クラック」に由来するという話を聞いたことがあります)・ネットワーク経由でコンピュータに不法に侵入してデータを悪用したりシステムを破壊したりする人・Christmas cracker
『木の実』,堅果(けんか)(クリ・ドングリなど) / (堅果の皮をむいた)中の実,仁(じん)(しばしば食用になる) / (ボトルを留める)『留めねじ』,ナット / (バイオリンなどの)糸受け;毛止め / 《話》変人;気違い / 《話》あることに熱中する人,ファン,(…)狭 / 木の実を捜す(拾う)
ニュー(ギリシア語アルファベットの第13字Ν,ν;英語のN,nに相当)