variant, unduly, to begin with

Rio organisers have been forced to slash the Olympic budget by 30% - perhaps they should have avoided hosting to begin with

Just say no

Sarajevo, September 19th 2013. Abandoned ski jump on Mount Igman. Most of the Olympic venues in Sarajevo have been reduced to rubble by neglect and the 1990s...

ECON.ST

Dr. Cohen says that although he understands the fear of Alzheimer’s, many people are unduly anxious about it.
“The bottom line question to ask is, Is your forgetfulness fundamentally interfering with how you function?” said Dr. Cohen. “If it doesn’t fundamentally mess up your work or social life, it’s among the normal variants.”

"We know that, of the £20m paid in cash by the British state as compensation to 46,000 British enslavers after the Slavery Abolition Act of 1833, £3m was paid to the prime minister’s relatives. That fact does not appear to trouble him unduly as he visits Jamaica. He will hope to continue his trade mission without reference to a shameful history. That should not be allowed to happen."

David Cameron, you still owe us for slavery

Prime minister’s forebears were given compensation, yet he refuses to accept Caribbean nations deserve the same

THEGUARDIAN.COM

to begin with

phrase of begin

1. 1.

   at first.

undue
adjective [before noun] FORMAL
to a level which is more than is necessary, acceptable or reasonable:
Such a high increase will impose an undue burden on the local tax payer.

unduly 
adverb
There's no need to be unduly pessimistic about the situation.

variant
noun [C]
something which is slightly different from other similar things:
There are many colas on the market now, all variants on the original drink.
There are four variants of malaria, all transmitted to humans by a particular family of mosquitoes.

variant 
adjective
a variant form
Words spelt with 'ae', such as 'encyclopaedia', have a variant spelling with 'e', as in 'encyclopedia'.
━━ a. 異なる; 種々の, 多様な; 変わりやすい.
━━ n. 変形, 変体; （つづり・発音の）異形; 異文, 異本.