noun:

• blue angelfish (Holacanthus isabelita)

noun:

• blue waves; blue wave ➜ 蒼波
• hair that has lost its shine due to ageing

noun:

• blue jeans

noun / ~の noun:

• steel blue

noun:

• blue sky; azure sky

noun:

• electric blue (colour, color)

noun:

• blue background (film); blue screen ➜ バック
• blue buck; blaubok ［ブルーバック］

noun:

• navy blue demon residing in hell - obscure term ➜ 青鬼

noun:

• Prussian blue; deep blue; dark blue; ultramarine ➜ 紺青

noun:

• blue train; sleeping train - abbreviation

noun:

• (horned) blue demon; blue ogre

noun:

• Blue Book (government-issued report)

noun:

• Big Blue - IT term

noun:

• blue eyebrow pencil; blue eyebrows
• deep blue; dark blue

noun:

• blackish blue

noun:

• indigo blue make-up used in Kabuki

noun:

• pale blue-green

noun:

• blue-axil chromis (Chromis caudalis); dusky puller

noun:

• Blue-Faced Vajra - Buddhism term

noun:

• blue ocean (strategy) - Business term

noun:

• blue eyes
• a Westerner

noun:

• blue light (e.g. of LED); blue glow; cadmium blue

noun:

• dark blue gem allowing one to recall memories when stroked with one's hand (allegedly possessed by Zhang Yue)

noun:

• yellowtail blue snapper (Paracaesio xanthura); yellowback fusilier

expression / godan ~ぐ verb:

• to feel blue; to feel depressed