underpants /ˈʌn.də.pænts/ aep /-dɚ-/ noun [plural] (UK ALSO pants)
► B1 a piece of underwear covering the area between the waist and the tops of the legs: » a pair of underpantsSee picture: underpants 
Thesaurus+: ↑Underwear
- be made for sb/sth
- be made of money
- be made to do sth
- be mad for sb/sth
- be make or break for sb/sth
- be man enough to do sth
- be marked out as sth
- be/mean nothing
- be meant for each other
- be meat and drink to sb
- be mentioned in dispatches
- be miles away
- be misunderstood
- be mixed up with/in sth
- bemoan
- be more to sth than meets the eye
- be more to this than meets the eye
- (be) much obliged
- be much obliged
- be much of a muchness
- be murder
- bemuse
- bemused
- be music to sb's ears
- be my guest!