mildly
Concise Oxford English Dictionary © 2008 Oxford University Press:
mild/mʌɪld/
▶adjective
- 1 not severe, harsh, or serious.
■ (of weather) moderately warm.
■ not sharp or strong in flavour.
■ (of a medicine or cosmetic) acting gently.
- 2 not intense or extreme: mild surprise.
- 3 gentle and not easily provoked.
– derivatives
mildish adjective,
mildly adverb,
mildness noun.
mildish adjective,
mildly adverb,
mildness noun.
– origin OE milde, of Gmc origin.
'mildly' also found in these Oxford entries:

