Adverbs That Start with OP

Find 34 valid English adverbs starting with OP, including Openmouthed, Opposite, Openly, Optimistically, Optionally, Operationally and Optimally. Check definitions and usage below, or visit 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 OPE11 words
openly
operationally
operatively
operatically
openmouthed
operably
openheartedly
openhandedly
operantly
openmouthedly
operosely
Starts with OPH
2 words
ophthalmologically
ophidiophobically
Starts with OPI3 words
opinionatedly
opinionatively
opinionately
Starts with OPP10 words
opposite
oppressively
opportunistically
oppositely
opportunely
opposably
oppressingly
opprobriously
opposingly
oppugnantly
Starts with OPT5 words
optimistically
optionally
optimally
optically
optatively
Starts with OPU
1 words
opulently

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