honestly UK /ˈɒn.ɪst.li/US /ˈɑ.nɪst.li/adverb 3exclamation 1forms 2 adverb3 •In an honest manner.He answered the questions honestly. •saying openly what the speaker really thinks, even if others may not like itHonestly, I didn't believe a word she said. •(informal) Expresses mild surprise or hesitation about one's own conclusion. exclamation1 •Used to express exasperation, dismay, etc.Honestly! I want to finish this work and you keep interrupting. formsmore honestly · most honestly