- 2Significato: exhaustingvery trying difficult arduous laborioustiring fatiguing grueling
- 3Significato: disobedientcontrary contumacious defiant difficult fractious fresh impudent obstinateperverse refractory uncooperative unmanageable wayward willful froward
- 4Significato: laborioushard severe tough difficultexhausting burdensome fatiguing unendurable
- 5Significato: harshsevere forbidding rigourous ruggedstringent difficult rigid uncompromising
- 6Significato: complicateddifficult complex involved puzzlingintricate perplexing hard convoluted
- 7Significato: oppressivedifficult onerous heavyarduous troublesome burdensome
- 8Significato: complexinvolved intricate abstract obscuredifficult perplexing puzzling abstruse
- 9Significato: propertydifficult arduous laborious hard stiff
- 10Significato: ambitioussevere rigourous difficult formidable challenging
- 11Significato: arduouspainstaking difficult tortuouslaborious severe painful
- 12Significato: unreliabledeceitful deceptive insidious untrustworthydifficult unstable insecure treacherous
- 13Significato: characteristicdifficult complicated tryingcomplex obscure heavy
- 14Significato: immaterialabstract bodiless difficult nonphysicalinsubstantial discarnate nonmaterial metaphysical
- 15Significato: untimelyawkward inopportune inconvenient difficultannoying troublesome bothersome disadvantageous
- 16Significato: troublesomebothersome difficult perplexing formidable thorny
- 17Significato: abstruseobscure complex complicateddeep difficult abstract
- 18Significato: contrarycontradictory opposed inharmoniousdiscordant difficult incompatible
- 19Significato: unpleasantobnoxious offensive irritable difficultcranky rude ill-tempered disagreeable
- 20Significato: burdensomedifficult onerous heavyarduous troublesome oppressive
- 21Significato: compositeintricate complicated complex mixedcombined difficult involved compound
- 22Significato: perverseimpolite boorish difficult
- 23Significato: fastidiousparticular difficult
- 24Significato: challengingsevere rigourous difficult formidable ambitious