tiresome
[adjective]
Synonyms: boring, dull, irksome, irritating, tedious, trying, vexatious, wearing, wearisome

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Related Words: dull, jading, burdensome, onerous, oppressive, difficult, hard

[TahlilGaran] English Synonym Dictionary ▲

tire‧some /ˈtaɪəsəm $ ˈtaɪr-/ adjective
[Word Family: adjective: tired, tireless, tiresome, tiring; verb: tire; noun: tiredness; adverb: tirelessly]
making you feel annoyed or impatient:
the whole tiresome business of filling out the forms
► Do not confuse with tiring (=making you feel tired): It was a long, tiring day.

[TahlilGaran] Dictionary of Contemporary English ▲

tiresome
adjective
BAD: The flight from Hong Kong to London was very tiresome.
GOOD: The flight from Hong Kong to London was very tiring.
BAD: After two tiresome days, we both needed some sleep.
GOOD: After two tiring days, we both needed some sleep.

Usage Note:
tiresome = annoying or irritating: 'I find these so-called jokes extremely tiresome.
'tiring = causing tiredness; exhausting: 'Looking at a computer screen all day can be very tiring.'

[TahlilGaran] Dictionary of Common Errors ▲