はなはだ
extremely; greatly
→ His attitude is extremely regrettable.
すこぶる
extremely; exceedingly
→ I feel extremely well today.
至って
extremely; perfectly; quite
→ My grandmother is 90, but she is perfectly healthy.
ごく
very; extremely
→ This is merely the opinion of a very small group of people.
やけに
unusually; excessively
→ I'm unusually thirsty today.
いやに
strangely; unusually
→ He is unusually kind today.
むやみに
recklessly; indiscriminately
→ You must not cut down trees in the forest indiscriminately.
やたら(に/と)(やたらに/やたらと)
excessively; indiscriminately
→ Lately I have an unusually strong craving for sweets.
うんと
a lot; very much
→ I was scolded a lot by my parents.
むちゃくちゃ
chaotic; unreasonable; extremely
→ The order is completely messed up.
ことに
especially; particularly
→ This summer is particularly hot.
ことのほか
unexpectedly; unusually; exceptionally
→ Today's work finished much earlier than expected.
ひときわ
conspicuously; especially
→ One star shines especially brightly in the night sky.
とりわけ
especially; particularly
→ Among fish, I particularly like salmon.
とびきり
exceptionally; top-class
→ I prepared a top-class wine.
格別(に)
special; exceptional
→ Beer after sweating tastes exceptionally good.
断然
decidedly; by far
→ In terms of ability, he is by far superior.
やや
slightly; somewhat
→ The cold symptoms have improved slightly.
幾分
somewhat; to some extent
→ After taking the medicine, the pain eased somewhat.
いささか
somewhat; a little
→ There is something slightly problematic about his remark.
即座に
immediately; on the spot
→ My proposal was rejected immediately on the spot.
即刻
immediately; at once
→ The rule violator was immediately removed.
すかさず
without missing a beat; promptly
→ As soon as the seat became free, he sat down immediately.
とっさに
instinctively; in an instant
→ A stone came flying toward me, and I instinctively protected my head.
急きょ
suddenly; at short notice
→ A problem occurred, so the meeting was canceled at short notice.
先ごろ
recently; the other day
→ A new prime minister recently took office.
先だって
the other day; recently
→ Thank you very much for your help the other day.
前もって
beforehand; in advance
→ Since it is a popular restaurant, I make a reservation in advance.
かねて
for some time; previously
→ I had heard rumors about her for some time.
とっくに
long ago; already
→ I finished the homework long ago.
ひところ
for a time; once
→ This song was extremely popular for a time.
追って
later; subsequently
→ We will contact you later regarding the details of the exam.
ぼつぼつ
gradually; about time to
→ It's getting dark, so shall we get going soon?
じき(に)(じきに)
soon; before long
→ It's just a shower, so it will probably stop soon.
目下
currently; at present
→ That matter is currently under investigation.
かねがね
for a long time; for some time
→ I have heard your name for quite some time.
しばし
for a while; for a moment
→ I gazed at the beautiful scenery in admiration for a while.
長らく
for a long time
→ We are sorry to have kept you waiting for so long.
年中・年がら年中
all year round; constantly
→ He complains all the time.
始終
throughout; constantly
→ The baby is crying constantly.
四六時中
around the clock; all the time
→ She is on her smartphone around the clock.
再三・再三再四
repeatedly; time and again
→ Although I warned him repeatedly, he was late again.
ちょくちょく・ちょいちょい
often; frequently
→ He often comes over to visit.