Adverbs Starting with OP and Containing O

This list gathers 34 English adverbs starting with OP and containing O, such as Openmouthed, Opposite, Openly, Optimistically, Optionally, Operationally and Optimally. Use the sorting controls below to organize entries by length, or consult our verb grammar guide to study adverb placement and -ly formation rules.

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Starts with OPA
2 words
opaquely
opalescently
Starts with OPE
11 words
openly
operationally
operatively
operatically
openmouthed
operably
openheartedly
openhandedly
operantly
openmouthedly
operosely
Starts with OPH
2 words
ophthalmologically
ophidiophobically
Starts with OPI
3 words
opinionatedly
opinionatively
opinionately
Starts with OPP
10 words
opposite
oppressively
opportunistically
oppositely
opportunely
opposably
oppressingly
opprobriously
opposingly
oppugnantly
Starts with OPT
5 words
optimistically
optionally
optimally
optically
optatively
Starts with OPU
1 words
opulently

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