Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cracker
5 senses of cracker
Sense 1
cracker -- (a thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet)
=> bread, breadstuff, staff of life -- (food made from dough of flour or meal and usually raised with yeast or baking powder and then baked)
Sense 2
redneck, cracker -- (a poor White person in the southern United States)
=> rustic -- (an unsophisticated country person)
Sense 3
cracker -- (a programmer who cracks (gains unauthorized access to) computers, typically to do malicious things; "crackers are often mistakenly called hackers")
=> programmer, computer programmer, coder, software engineer -- (a person who designs and writes and tests computer programs)
Sense 4
firecracker, cracker, banger -- (firework consisting of a small explosive charge and fuse in a heavy paper casing)
=> firework, pyrotechnic -- ((usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc.)
Sense 5
cracker, snapper, cracker bonbon -- (a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends)
=> party favor, party favour, favor, favour -- (souvenir consisting of a small gift given to a guest at a party)
Antonyms of adj crackers
1 sense of crackers
Sense 1
balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky -- (informal or slang terms for mentally irregular; "it used to drive my husband balmy")
INDIRECT (VIA insane) -> sane -- (mentally healthy; free from mental disorder; "appears to be completely sane")
Similarity of adj crackers
1 sense of crackers
Sense 1
balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky -- (informal or slang terms for mentally irregular; "it used to drive my husband balmy")
=> insane (vs. sane) -- (afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter")