1Conformity; aligning with others' opinions, actions, or mood; following suit or showing sympathy.
彼はいつも周りに同調して自分の意見を言わない。
He always goes along with others and doesn't voice his own opinion.
集団の雰囲気に同調してしまうことがある。
Sometimes one ends up conforming to the group's atmosphere.
同調圧力が強い職場で働くのは疲れる。
Working in a workplace with strong pressure to conform is exhausting.
2Tuning in electronics; matching frequency or phase (e.g., tuning a receiver or resonant circuit).
ラジオの同調回路を調整して局を受信した。
I adjusted the radio's tuning circuit to receive the station.
送信機と受信機を同調させる必要がある。
It's necessary to tune the transmitter and receiver to each other.
3Having the same tone or pitch; being in the same key or becoming synchronized in sound.
二人の歌声が同調して美しいハーモニーを作った。
The two voices synchronized and produced a beautiful harmony.
合唱団はまずピッチを同調させる練習をした。
The choir first practiced synchronizing their pitch.