increasingly
Concise Oxford English Dictionary © 2008 Oxford University Press:
increase
▶verb /ɪnˈkriːs/ make or become greater in size, amount, or degree. ▶noun /ˈɪŋkriːs/ an instance of increasing.
– derivatives
increasable adjective,
increasing adjective,
increasingly adverb.
increasable adjective,
increasing adjective,
increasingly adverb.
– origin ME: from OFr. encreistre, from L. increscere, from in- ‘into’ + crescere ‘grow’.
'increasingly' also found in these Oxford entries:

