Although you are definitely smelling wine in order to ascertain what sort of smell or odor it has, those words smell and odor have negative connotations so they are not used quite so much by wine experts. You are much more likely to see people talking about a wine's nose when discussing what it smell's like.
nonchalant. adjective indifferent, cool, calm, casual, detached, careless, laid-back (informal), airy, unconcerned, apathetic, dispassionate, unfazed (informal), unperturbed, blase, blasÃ©, offhand, unemotional, insouciant Imperturbable denis tried unsuccessfully to look nonchalant and. uninterested
happening by chance; fortuitous: a casual meeting. without definite or serious intention; careless or offhand; passing: a casual remark. seeming or tending to be indifferent to what is happening; apathetic; unconcerned: a casual, nonchalant air. without emotional intimacy or commitment: casual sex.