serving to distinguish or identify a species or group; "the distinguishing mark of the species is its plumage"; "distinctive tribal tattoos"; "we were asked to describe any identifying marks or distinguishing features"
(of a word) referring singly and without exception to the members of a group; "whereas `each,' `every,' `either,' `neither,' and `none' are distributive or referring to a single member of a group, `which' in `which of the men' is separative"
used of an accent in Hebrew orthography; indicates that the word marked is separated to a greater or lesser degree rhythmically and grammatically from the word that follows it
characteristic or indicative of e.g. a disease; "a diagnostic sign of yellow fever"; "diagnostic information"; "a rash symptomatic of scarlet fever"; "symptomatic of insanity"; "a rise in crime symptomatic of social breakdown"
concerned with diagnosis; used for furthering diagnosis; "a diagnostic clinic"; "a diagnostic reading test"; "diagnostic information"
giving careful attention to detail; hard to please; excessively concerned with cleanliness; "a fastidious and incisive intellect"; "fastidious about personal cleanliness"
having complicated nutritional requirements; especially growing only in special artificial cultures; "fastidious microorganisms"; "certain highly specialized xerophytes are extremely exacting in their requirements"
exercising caution or showing care or attention; "they were careful when crossing the busy street"; "be careful to keep her shoes clean"; "did very careful research"; "careful art restorers"; "careful of the rights of others"; "careful about one's behavior"
with care and dignity; "walking at the same measured pace"; "with all deliberate speed"
mindful of the future in spending money; "careful with money"
cautiously attentive; "careful of her feelings"; "heedful of his father's advice"
full of cares or anxiety; "Thou art careful and troubled about many things"-Luke 10.41
showing skill and sensitivity in dealing with people; "by diplomatic conduct he avoided antagonizing anyone"; "a tactful way of correcting someone"; "the agency got the kid-glove treatment on Capitol Hill"
having or showing a sense of what is fitting and considerate in dealing with others; "she was tactful enough not to shatter his illusion"; "a tactful remark eased her embarrassment"