Synonyms and Antonyms for u-boat
1. U-boat (n.)
a submersible warship usually armed with torpedoes
- nautilus
- schnorkel
- periscope
- asdic
- nuclear-powered submarine
- attack submarine
- submersible
- sub
- submarine
- pigboat
- schnorchel
- snorkel breather
- conning tower
- snorkel
- nuclear submarine
- fleet ballistic missile submarine
- echo sounder
- submersible warship
- breather
- auxiliary research submarine
- escape hatch
- sonar
2. boat-billed heron (n.)
tropical American heron related to night herons
3. boat (n.)
a small vessel for travel on water
- packet boat
- barge
- Mackinaw boat
- lugger
- narrowboat
- packet
- ferryboat
- tender
- river boat
- vessel
- ark
- guard boat
- towboat
- canal boat
- watercraft
- gondola
- steamboat
- boat whistle
- scow
- sea boat
- flatboat
- mail boat
- powerboat
- hoy
- junk
- tugboat
- police boat
- bumboat
- longboat
- pinnace
- mailboat
- lighter
- narrow boat
- surfboat
- tower
- gunboat
- pilot boat
- motorboat
- mackinaw
- ship's boat
- punt
- small boat
- ferry
- tug
- cutter
- fireboat
6. u (n.)
the 21st letter of the Roman alphabet
7. U (n.)
the 21st letter of the Roman alphabet
8. u (adj.)
(chiefly British) of or appropriate to the upper classes especially in language use
9. U (n.)
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
10. U (n.)
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
