孤

solitary boat

solitary wild goose (i.e. separated from its flock, esp. flying)

dying alone (esp. of someone who lives alone and dies of natural causes at home without anyone knowing); solitary death

solitary light

Linguistics

isolating language

lone monkey; stray monkey

Mahjong

isolated tile; lone honor tile, or a suited tile separated by two or more ranks from other complete or incomplete melds

a person without a single relative

isolated and helpless; alone and unassisted

fighting alone

isolated place; out-of-the-way place; remote part of the land

war orphan

isolationism

Work of art, literature, music, etc. name

One Hundred Years of Solitude (1967 novel by Gabriel García Márquez)

'taru' adjective

alone and dejected; lonely and downhearted; lonely and crestfallen

feeling (looking) lone and helpless; helplessness of those in reduced circumstances

with no one upon whom to depend; utter loneliness; the lonely and the helpless; people who have no kith or kin

Sparganum proliferum (species of worm)

stubborn and aloof

Proverb; From The Analects of Confucius

the virtuous man will not long remain lonely

feeling apprehensive; feeling (looking) lone and helpless; being down-and-out (ruined); helplessness of those in reduced circumstances

state of isolation

Computing

isolate

lone pair (of electrons)