be (as) dull as ditchwater
informalto be very boring
Thesaurus: synonyms and related words
Tedious and uninspiring
- anonymous
- antiseptic
- banal
- bland
- boring
- buttoned-down
- drab
- earthbound
- flat-footed
- lifeless
- mind-numbing
- monochrome
- monotonous
- mouldy
- mundane
- tedious
- threadbare
- tired
- tiresome
- trite
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