ターンtaan

1. noun, suru verb, intransitive verbturn
2. noun, musicturn (melodic ornament)
3. nounturn (in a game)

• Synonym旋回せんかいWrittenWritten/formal: circling or turning by aircraft and ships, a navigation term; 「ターン」 is the more everyday word.
• Synonym転回てんかいWrittenWritten/formal: turning around or a U-turn, also a handspring; leans toward gymnastics and vehicles.
• Synonym回りまわりNeutralTurning or making the rounds, going around once, as in 「一回り」; it is about circling, not about turning back.
• Related回転かいてんNeutralCovers rotation, spinning and turnover, as in 「頭の回転が速い」; it is about the spinning itself, while 「ターン」 is about turning back or around.
• Related一転いってんWrittenWritten/formal: a situation changing completely at a stroke, as in 「態度が一転」; stresses abrupt, drastic change rather than a physical turn.
• Related方向転換ほうこうてんかんWrittenWritten/formal: changing the direction you are heading, also figuratively a shift in policy; 「ターン」 is the concrete act of turning around or back.
• RelatedターニングNeutralLoanword for turning; mostly seen in 「ターニングポイント」 and rarely used on its own.
• AntonymストレートNeutralLoanword meaning straight; the opposite of 「ターン」 with its sense of changing direction.
• Antonym直進ちょくしんNeutralGoing straight ahead; also common when giving directions aloud; the opposite of 「ターン」's turning and doubling back.

Use 「ターン」 for turning around, doubling back, or taking a turn in a game, as in 「Uターン」 and 「自分のターン」. For rotation say 「回転」, for an aircraft turning say 「旋回」, and the opposite of turning is 「直進」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 回転かいてん。旋回せんかい。
2. ある地点ちてんなどを回まわって折り返おりかえすこと。