Honest
Honestly
adverb, noun, な adjective
You have correct and fix. When you're always fixing things to make them correct (for example, someone's lies!) you are a very honest person.
This is a jukugo word, which usually means on'yomi readings from the kanji. This is the case here too, but both kanji use their slightly less common secondary readings. You do know both of those, but in case you need a little help, here's a mnemonic anyway:
Be completely honest, what's the strangest sound you've ever heard? The Shougun (しょう) going "jikijiki (じき)"?! Honestly, that does sound quite strange...
正直に言う
to speak honestly
正直にはなす
to speak honestly
正直に生きる
to live honestly
正直おどろく
to be honestly astonished
正直がっかりする
to be honestly disappointed
正直びっくりする
to be honestly surprised
正直な人
honest person
正直な思い
honest thoughts, honest feelings
正直なところ
in all honesty
川田さんは、とても正直な人です。
Kawata is a very honest person.
正直に言って下さい。あなた、ニコラス・ケイジさんですよね？
Please be honest. You're Nicholas Cage, right?
正直、私は大人になっても一人でベッドに行けません。
To be honest, I'm an adult but I can't go to bed by myself.