As nouns the difference between importunity and obtrusion
is that importunity is unseasonableness; an unsuitable or inappropriate time while obtrusion is an interference or intrusion.
importunity
English
Noun
(importunities)
(obsolete) Unseasonableness; an unsuitable or inappropriate time.
A constant and insistent demanding.
Quotations
* 1602 : , act 1 scene 3 lines 28-29-30-31
*: Then weigh what loss your honour may sustain
*: If with too credent ear you list his songs
*: Or lose your heart, or your chaste treasure open
*: To his unmastered importunity .
* 1611 : , Luke 11:8
*: I say unto you, Though he will not rise and give him, because he is his friend, yet because of his importunity he will rise and give him as many as he needeth.
* 1766,
*: Still, however, being surrounded with importunity , and no longer able to satisfy every request that was made him, instead of money he gave promises.
obtrusion
English
Noun
(
en noun)
An interference or intrusion
An encroachment beyond proper limits