Definition of not make head or/nor tail of
- I couldn't make heads or tails of her reaction.
- His handwriting was so bad that we couldn't make heads or tails out of it.
: behave, act
: to begin or seem to begin (an action)
: to cause to happen to or be experienced by someone
: the manner or style in which a thing is constructed
: the physical, mental, or moral constitution of a person
used as a function word to introduce the second or last member or the second and each following member of a series of items each of which is negated
used as a function word to introduce and negate a following clause or phrase
: homologue containing one less methyl group
: the rear end or a process or prolongation of the rear end of the body of an animal
: something resembling an animal's tail in shape or position: such as
: a luminous stream of particles, gases, or ions extending from a comet especially in the antisolar direction
: to follow for purposes of surveillance
: to connect end to end
: to remove the tail of (an animal) : dock
: limited as to tenure : entailed
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