余

Formal or literary term

we; us

smouldering fire; smoldering fire; embers

to neglect; to ignore; to slight; to be indifferent to

Mathematics

cosine

additional gain

Mathematics

cotangent

afterglow; lingering light

pent-up anger; rage

suggestiveness (of a poem); lingering charm; lasting impression

person whose presence is unwelcome, unnecessary or a nuisance; fifth wheel; third wheel; interloper

superfluous man (literary archetype)

excess personnel; redundant staff

another method; another problem

Jocular, humorous term

no problem; piece of cake

unofficial record; rumour; rumor

anecdote; tidbit; gossip; little-known story

influence of great virtue; influence of ancestors

earnestly; intently; attentively; wholeheartedly

secondary disease; complications

surviving custom; holdover influence

aftereffect; after effect

remnants of a party or a gang

lingering winter

blessings; benefits (of modern civilization, civilisation)

lingering odor; lingering odour