広げる・拡げる|ひろげるhirogeru[0]heiban (flat)

1. ichidan verb, transitive verbto spread; to extend; to expand; to enlarge; to widen; to broaden
2. ichidan verb, transitive verbto unfold; to open; to unroll; to unwrapocc. written 展げる
   私は机つくえの上うえに地図ちずを広ひろげた。↗

   I unfolded the map on the desk.
3. ichidan verb, transitive verbto scatter about; to spread around
4. ichidan verb, transitive verbto make flourish; to cause to prosper

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

• Synonym繰り広げるくりひろげるNeutralUnfolds a contest, dispute, or a series of scenes, as in 「熱戦を繰り広げる」; 「広げる」 focuses on extending area or scope.
• Synonym拡大かくだいNeutralEnlarging scale or scope, and magnifying images, as in 「拡大コピー」; 「広げる」 is the more colloquial verb.
• Synonym拡張かくちょうNeutralExpanding territory or facilities, as in 「道路拡張」; 「広げる」 is the more general word.
• Synonym押し広げるおしひろげるNeutralPushing something apart with force, as in 「人ごみを押し広げる」; more forceful and narrower than 「広げる」, which is the general-purpose choice.
• Synonym取り広げるとりひろげるWrittenRare, written word for enlarging or spreading something out; in everyday speech just use 「広げる」.
• Synonym伸べ広げるのべひろげるWrittenWritten and rare: stretching something out flat; say 「広げる」 in daily use.
• Related広めるひろめるNeutralSpreads or propagates news and ideas, as in 「噂を広める」; 「広げる」 is about widening area or scope.
• Related広がるひろがるNeutralIntransitive: something spreads or opens up on its own; 「広げる」 is transitive, with someone actively doing the spreading.
• Related広まるひろまるNeutralIntransitive: rumors or trends spread by themselves; 「広げる」 is transitive, actively extending something.
• Related伸長しんちょうWrittenWritten noun for growth in length or influence; 「広げる」 is about width and area.
• Related伸びるのびるNeutralIntransitive: things get longer — hair, height — or results improve; 「広げる」 is about width and range.
• Related伸ばすのばすNeutralTransitive: making something longer or reaching out, as in 「手を伸ばす」; 「広げる」 is about getting wider.
• Related進出しんしゅつNeutralEntering a new field or market, as in 「海外進出」; 「広げる」 is about expanding scope.
• Related延長えんちょうNeutralLengthening time or distance, as in 「延長戦」; 「広げる」 is about width and scope.
• Related展開てんかいNeutralHow a plot or situation develops, or deploying operations, as in 「事業を展開する」; 「広げる」 stresses making things bigger.
• Related拡充かくじゅうWrittenWritten word for expanding facilities or systems, as in 「設備の拡充」; 「広げる」 is the more colloquial option.
• Related引き伸ばすひきのばすNeutralStretching things out, enlarging photos, or dragging out time; 「広げる」 is about making things wider.
• Related延べるのべるWrittenWritten word for laying out bedding, and also for postponing; 「広げる」 centers on spreading things out and widening.
• RelatedのすCasualColloquial: building up influence or extending a trip, as in 「足を伸す」; 「広げる」 is more versatile.
• Related拡幅かくふくWrittenWritten term for widening roads, as in 「道路の拡幅工事」; 「広げる」 is far broader in use.
• Related伸展しんてんWrittenWritten word for stretching or expanding, often of influence or in exercises; in daily speech say 「伸ばす」.
• Relatedおっ開くおっぴらくCasualColloquial with a rough edge: flinging something wide open or doing it in public; normally say 「開く」.
• Related展延てんえんWrittenWritten, technical term for stretching metals thin; in everyday speech say 「伸ばす」.
• AntonymたたむNeutralAntonym in the spread-out vs. folded-up contrast: to fold something up and put it away.
• Antonym閉じるとじるNeutralAntonym in the open vs. shut contrast: to close a book or an umbrella.

Default to 「広げる」 for spreading things out, unfolding them, or widening their range. Use 「広める」 for spreading news or ideas, 「伸ばす」 for making things longer, 「繰り広げる」 for unfolding a contest or dispute, and 「拡大」 for formal talk of expansion. 「広がる」 and 「広まる」 are the intransitive counterparts. The antonyms are 「畳む」 (fold up) and 「閉じる」 (close).

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

1. 巻まいたり畳たたんであったり閉とじてあったりするものを開ひらく。
2. 幅はば・面積めんせき・範囲はんいなどを広ひろくする。
3. 辺あたり一面いちめんに並ならべて置おく。